Recap / Adventure Time S9E13 "Come Along With Me" ("The Ultimate Adventure")

The Ultimate Adventure awaits.

"Do you know about the Great Gum War?"

— BMO

Adventure Time's Grand Finale.

As Princess Bubblegum gathers her allies, Finn searches for a way to prevent the Great Gum War, and the fate of Ooo is revealed to two adventurers in the distant future.

Here's the first teaser trailer, the official trailer, the sneak peek and the official promo.

The series ended at a special screening on August 27th at 7:00 PM PDT, 2018, and officially on TV on September 3rd, 2018 at 6 PM EST after an all-day Adventure Time marathon.

WARNING: All spoilers are unmarked. Please, read at your own risk.

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Tropes:

• Accidental Misnaming: BMO has forgotten Finn's name after a thousand years, first referring to him as Fred, then Phil.
• Ambulance Cut: Happens during Simon’s flashback after Betty throws a jar of cherries to him and it hits him on the head.
• Anguished Declaration of Love: After Princess Bubblegum is discovered to have survived the attack from the monster, the worried Marceline hugs her and admits she doesn't want to lose her again.
  Marceline: Bonnie, I was worried about you! Even back when we weren’t talking, I was so afraid something bad was going to happen to you and I wouldn’t be there to protect you and...I don't want to lose you again.
• And I Must Scream: Princess Bubblegum and Gumbald's nightmare implies that the effects of dum-dum juice actually leave the victim's mind intact, but their speech and behavior involuntarily become simple and infantile.
  • The soldiers of Gumbald's absorbed into the first GOLB monster are apparently fully aware of what their body is doing, and don't like it, but are powerless to stop it from attacking. One actually thanks Marceline for tearing the monster apart when she thought it hurt Bubblegum.
• And the Adventure Continues: The ending shows the characters kept living their lives afterwards, with the implication that they had further adventures. In particular, Simon is clearly trying to reunite with Betty the same way she was trying to restore his sanity, Susan and Frieda are still journeying around who-knows-where, and they run into Lemonhope. Also the Framing Device is told from the viewpoint of Shermy and Beth, two best friend adventurers in the far future. The implication that they're the counterparts of Finn and Jake in the future (probably as their successors). The episode even ends with them recreating the opening sequence of the series. "The fun will never end" indeed.
• Art Shift: When GOLB is transforming, he is drawn as dark charcoal smudges, and everything becomes Deliberately Monochrome.
• Attack of the 50-Foot Whatever:
  • The Gumball Guardians fights against a giant mutant monster. Said monster also fights against the Dark Cloud version of Marceline.
  • Gumbald's Humongous Mecha, of course.
  • A giant shadowy figure resembling Gumbald looms over the Candy Kingdom in the dream sequence.
  • GOLB.
• Back for the Dead: After being in a coma since her last appearance, Maja is finally woken up as Betty tries to harness her power to control GOLB. Unfortunately, a surge of emotion causes her to blow up.
• Back for the Finale:
  • The Duke of Nuts, a character that hasn't been seen since Season 1, returns as part of the Candy Kingdom's army.
  • Lemongrab, Huntress Wizard, Flame Princess, Slime Princess, Lady Rainicorn, Cinnamon Bun and Lumpy Space Princess join Finn, Jake, Bubblegum and Marceline to take Fern, Gumbald and his army down.
  • As shown in "Gumbaldia", Gumbald's army is composed of Fern and several antagonists (plus the Ice King) that appeared once or twice in the series.
  • Betty, King Man and the still comatose Maja return once again, planning to use GOLB's power to bring back Simon and Margles.
  • Some one-shot characters return in the Music Hole's song, such as the Jiggler (who is all grown up now!), Donny the Grass Ogre and Maja's Crabbit familiar.
  • Production example: Rebecca Sugar returns one final time to write one final song.
• Battle in the Center of the Mind: Finn, Jake, Fern, Princess Bubblegum and Gumbald are put under a sleeping spell that sends them to the world of dreams. Finn's intention was for Bubblegum and Gumbald to settle their differences in a neutral space, but neither wants to and they end up chasing each other. Meanwhile, Finn fights Fern until Jake brings the vault of Finn's repressed memories, and the two of them have to confront their collective torments.
• Big Bad Ensemble: Both Gumbald and GOLB are potential contenders for the title. GOLB finally gets that title; while Gumbald is reduced to Big Bad Wannabe.
• Big Damn Kiss:
  • After PB just barely escapes from getting killed by GOLB, Marceline rushes to her side an confesses how worried she was. The two share a kiss.
  • Spoofed by LSP and Lemongrab which is random, over-the-top, and Played for Laughs.
• Bishōnen Line: When Betty takes over GOLB's consciousness, its body changes, becoming upright and with a much more humanoid figure.
• Bittersweet Ending:
  • For Simon in particular. He was quite distraught to see Betty sacrifice herself for his sake, but he understood everything when he saw that she had become GOLB and willingly left. In the epilogue, he apparently asks Prismo to retrieve her, but as with Margles, all Prismo can conjure is a waste basket with a basketball hoop. However, he appears to mostly move on otherwise, forming a new family with Marceline, Bubblegum, the infant Peppermint Butler, Gunther-turned-Ice Thing, and Turtle Princess.
  • To a lesser extent, Finn and Jake's treehouse is destroyed beyond repair, making them essentially homeless, but they don't mind much about it and seem content with sleeping outdoors. They also have a lot of friends who'd likely be willing to let them stay with them, plus, being adventurers, they could find money and use it to buy a new home (there was still plenty of their treasure pile remaining.) This is just assuming they don't end up living with the humans in some capacity. Though Finn is deeply affected by the loss of Fern, planting his remains at the site of the treehouse allows a new tree to grow, which presumably becomes Finn and Jake's new home.
  • Although it's made clear that the Bad Future first shown in Lemonhope Part 2 and Graybles 1000+ will come to pass, it's revealed to be less of a bad future and more a mundane one. The Land of Ooo still has at least a good 1000 years before the land turns into a wasteland. However, at the start of the episode, Shermy and Beth try to mess with and trip up the Prize Ball Guardian that already has all of the Candy Kingdom residents in stasis.
• Bookends: The first wish of the Ice Crown was for Gunther to become like his parental figure, Evergreen, which only turned him insane and transformed the crown into an Artifact of Doom. The last wish on the crown is Gunter wanting to become like Ice King, his parental figure, with the resulting wish causing the crown to fuse with him.
• Brought Down to Normal: Simon and Betty, a result of the digestive process of GOLB.
• But Now I Must Go: Betty does this when she becomes GOLB.
• Call-Back:
  • Shermy can be heard murmuring a stanza of "On a Tropical Island".
  • BMO is the new King of Ooo, and has made his home at the top of the mountain where the Enchiridion was once kept.
  • Years later and Bubblegum still can't stand the Duke of Nuts.
  • To snap Betty out of her trance, Ice King sings the song from the first Fionna and Cake episode.
  • Gunther putting on the crown and wishing to become the Ice King parallels the end of "Evergreen", where the crown grants Gunther's wish to be like Urgence Evergreen. Only this time, the consequences are not as drastic.
  • The episode ends with Shermy and Beth pulling out the sword from Fern's tree, and recreating the opening sequence of the series.
• The Cavalry Arrives Late: Ancient Psychic Tandem War Elephant arrives to help fight the Gum War. Not only is he late for the war (which never really started), but seconds later he is swept away by GOLB's transformation.
• Confusing Multiple Negatives: Princess Bubblegum tries to reassure Marceline, saying "Nothing's never happening to me, never." When Marceline calls her out on this, Bubblegum admits she might have a bit of a concussion.
• Continuity Cavalcade:
  • BMO's home is filled with mementos of Finn and Jake's adventures.
  • All of the villains that assembled for to assist Gumbald at the end of Gumbaldia? A couple of them get cameos, but otherwise have no role in the plot.
  • The ending montage shows almost every significant character that appeared through the series living peacefully and carrying on with their lives.
• Chekhov's Gun:
  • Finn and Jake use the nightmare potion they got at the end of "Orb" to force a mental-world parley between Princess Bubblegum and Gumbald.
  • The vault of Finn and Fern's repressed memories throughout the whole series serves as the key to the two of them finding peace with each other.
• Curb-Stomp Battle: Jake tries to stop GOLB's monsters before they attack the treehouse. Although he briefly gets the upper hand, he gets quickly Squashed Flat.
• Decisive Battle: One that will determine the fate of the Candy Kingdom AND the entire Land of Ooo.
• Did Not Think This Through: Jake after using his body to stop the owls created by the corrupted Gumball Guardian. Jake even lampshades it with these words.
• Diegetic Soundtrack Usage: At the end of the episode, Finn and Jake talk to the Music Hole, who has come up with a new song. The song turns out to be the Adventure Time credits theme (which was composed by the Music Hole's voice actor). The title of this episode also comes from the credits theme's lyrics.
• Dirty Coward: The villains Gumbald recruited into his army choose to run away when Aunt Molly pleads with them to help in the fight against GOLB, leaving only herself, Fern (who has already undergone a Heel–Face Turn), Ice King (who doesn't fully understand the situation, but is still willing to help), and Gunter (who never leaves the battlefield) to support the heroes.
• Disc-One Final Boss: Gumbald is neutralized and Fern switches sides halfway through the one-hour special. Then GOLB arrives...
• Distant Finale: Played with. The episode opens and ends a 1000 years after the events of the show, with BMO narrating the story of the Great Gum War to two new adventurers. However, his tale takes place in the shows' regular timeperiod.
• Earn Your Happy Ending: By the end of the finale:
  • Despite previous episodes showing the land of Ooo eventually turning into a desolate wasteland, the ending shows Ooo thriving and filled with life in the future.
  • Lumpy Space Princess is officially crowned as the new ruler of Lumpy Space, with other princesses showing her respect.
  • Lemongrab is seen smiling happily, as the cracked ceiling of his bedroom that bothered him so much in "The Mountain" is papered over with a beautiful mural by Jermaine. Despite all the misfortunes that happened to him throughout the series, he finally obtained what he always wanted: A happy life.
  • The Ice King, or rather the second Ice King, originally penguin Gunter, ends up Happily Married to Turtle Princess.
  • Simon is completely freed from the corrupting influence of the Ice Crown, and is able to live out the rest of his life in peace. On the other hand, he's lost Betty again...
  • Finn is reunited with his mother, Minerva Campbell, who brings the rest of the Humans to the land of Ooo on a fleet of ships. There's no hint towards Finn's romantic relationship with anyone, but he's happy.
  • Sweet P not only graduates from school, but a brief moment near the end suggests he becomes a giant adventurer like Billy.
  • True to their agreement, PB and Aunt Lolly rule over the Candy Kingdom together, singing to Neddy as well.
• End-of-Series Awareness: The song "Time Adventure" can be interpreted as acknowledging that the series has come to an end due to its focus on how nothing can last forever and that all we can do is cherish the good times while they lasted.
  It seems unforgiving when a good thing ends
  But you and I will always be back then
• Evil Overlooker: The official art from CN Australia shows Gumbald, GOLB and... the Ice King looming over Finn, Jake, Bubblegum, Marceline, LSP, Lemongrab, Normal Man, Betty and some Banana Guards.
• Face Death with Dignity:
  • When Simon, Betty, and Finn are being digested by GOLB, Finn is bummed out that this isn't the way he was hoping he'd die. Simon remains calm and tries to comfort him.
  Finn: I always figured I'd go out saving somebody...
  Simon: Hey, no one gets to choose how it happens. The most important thing is that we're here together.
  • Fern doesn't seem that bothered by his own impending demise, instead focusing on protecting Ooo and only calmly requesting that Finn plant his remains at the treehouse.
• The Farmer and the Viper: Played with; Princess Bubblegum realizes how Gumbald had suffered from being reduced to an idiot, and was willing to share the kingdom with him, but Gumbald just tries to use the dum-dum juice on her again. However, Lolly was moved by Bubblegum's words, saves her from Gumbald (who she points out "Isn't the type for epiphanies."), takes over his army, and accepts the truce PB offers.
• Fear Is the Appropriate Response: When GOLB appears, Princess Bubblegum orders the Banana Guards to retreat to safety. When they ask to do so in a panic, she concedes.
• Final Boss: GOLB serves as the last opponent faced in the show.
• Finale Credits: A different song is played at the end credits which according to the soundtrack is called 'Waving To You' as in waving goodbye to the viewers.
• The Fog of Ages: BMO has forgotten Finn's name in the 1000 year Time Skip, and likely several other details.
• Foregone Conclusion:
  • Since BMO is the one telling the story about the Gum War, he survived. Additionally, Boom! Studio's announcement of an eleventh season in comic book form revealed that Finn and Jake will also return. It also says that "the entire land of Ooo" will appear, but the extent is unknown.
  • No matter what happens, the Candy Kingdom will survive the war. However, as shown in "Lemonhope Part 2" and "Graybles 1000+", it will expand, evolve and it will eventually be abandoned, with its citizens being kept in stasis inside the Prize Ball Guardian.
  • The Ice Kingdom will be ruled in the future by the Ice Thing, regardless of what happens to the Ice King and/or his crown.
  • A new tree will grow in place of the destroyed treehouse.
• Foreshadowing:
  • The official poster shows several Tetrimino-like pieces floating in the sky, hinting at GOLB's return.
  • Finn and Jake are first seen spying on Normal Man, Betty and Maja doing something. This will be important in the second half.
• Framing Device: The plot is told by BMO to Shermy and Beth, two adventurers in the far future. Shermy and Beth even have their own opening!
• Freeze-Frame Bonus: Tons.
  • The intro alone is nothing but this, which, along with Word of God, heavily alludes to the storyline of Future Ooo.
    • Right from the get-go a portion of Patience St. Pim's ice cocoon is seen, in all of its smooth polygonal glory.
    • A jail cell window is seen with what appears to be pink hands holding the bars.
    • There's a person in winter clothing with a telescope that has a rune on it, but upon closer inspection might actually be the initials M.A. Said person is also on the stone duck which happened to appear in Marceline's debut episode.
    • The Ice Thing, previously seen in Graybles 1000+, has its right eye-gem missing, which later appears on...
    • Gibbon, Charlie's future son from "Daddy-Daughter Card Wars" appears briefly in the intro in his own Kingdom along with the "space people" from "Graybles 1000+" who are now revealed to be Rainicorn/Dog hybrids.
    • The ruins of a gigantic memorial for Finn and Jermaine (but possibly not Jake) were constructed outside of Marceline's cave, currently occupied by Shermy and Beth.
    • The Flame Person in a tank shoots at what looks like a Slime Person. Word of God states that these are the current Fire and Slime Elementals, and further states that all four Elementals are "accounted for" in this episode's opening.
    • A pup is on a ladder, spying on Shermy and Beth.
    • While Shermy and Beth are in the ruined Candy Kingdom, there's a Lumpy Space Person in the background. Their star charm implies they may be the current/future LSP.
  • BMO's future house is packed with references to old episodes, including things like a Lich skateboard, AMO's body, Lumpy Space Princess's charm, and many other artifacts.
• Grand Theft Me: Betty pulls this on GOLB in the end. Her wish merges herself with GOLB, granting him a consciousness to willingly leave Ooo.
• Greater-Scope Villain: After being mentioned, hinted and making some appearances from time to time, GOLB finally plays a role in the finale, serving as the Final Boss after Gumbald is defeated.
• Groin Attack: "Operation Shut the Door" involves Bubblegum's army attacking Gumbald's nether regions.
• Growing Wings: Fern (in his Grass Finn form) grows a pair of pterodactyl-like wings.
• Heroic BSoD: After he sees the treehouse get destroyed, Jake starts to freak out, shrinks himself down in size, and huddles into fetal position. BMO comforts him a few moments later.
• Heroic Sacrifice: Betty sacrifices her human existence to banish GOLB, using a wish from the Ice Crown to "keep Simon safe." The result seems to turn her into GOLB, which allows her/him to consciously leave.
• Hijacking Cthulhu: Betty tries to use GOLB's power to restore Simon's sanity, which it technically does, but also releases GOLB into Ooo and puts him on a rampage. Once Betty has restored the crown to its original wish-granting form, she can't kill GOLB, but she can take over his body.
• Hoist by His Own Petard: Gumbald was still going to use his dum-dum juice on PB after they peacefully ended the war. Aunt Lolly trips him and forces him to spill his juice on himself, knowing full well that he was going to do that.
• In Another Man's Shoes: Princess Bubblegum and Gumbald see each other's point of view while in the subconscious realm.
• Infallible Narrator: BMO is the one narrating the story of the Great Gum War, and despite their spotty memory and erratic behavior (plus a thousand years of age), BMO recalls the event with such total clarity, including events they weren't there to see. Considering BMO in the future can't even remember Finn's name, it's likely only the audience is seeing a perfectly accurate version of events.
• It's All My Fault: Finn is still bummed after he indirectly caused the war between Bubblegum and Gumbald.
• I Surrender, Suckers: After PB and Gumbald have an epiphany to end the war peacefully, Gumbald was still planning on using his dum-dum juice on her. Lolly was better convinced, and trips Gumbald to turn his juice against him again.
• Killed Mid-Sentence: Maja explodes from an overload of emotional energy moments after she regains consciousness.
  Maja: Finally! My tim-
• Laser-Guided Karma: Even after the revelatory vision that showed both Bubblegum and Gumbald how alike they really were, the latter still immediately tries to betray the former. For his troubles, his two lieutenants betray him and he gets turned back into Punchy the Punch Bowl, with his attempt to betray Bubblegum foiled by one of said lieutenants: Aunt Lolly.
• Last Episode, New Character: Shermy and Beth, the two adventurers BMO tells the history of the Gum War to.
• Last Stand: Finn and the others refuse to abandon Bubblegum in the battle against GOLB while the Banana Guards are running away from the battlefield.
• Left Hanging: Most of the characters get a satisfying ending, but not every plot point from the show is resolved, and some of them are left open-ended. Amongst them are:
  • How did Martin end up in space with no memory of his son and locked up in the Citadel as a cosmic criminal?
    • How did Billy even find that out in the first place?
  • Who or what was transmitting the Fionna and Cake adventures into Ice King's mind?
    • Answered in the Fionna & Cake spin-off: It was Prismo.
  • How did Susan lose her memories and end up with the hyoomans?
  • Who is Prismo's boss whom he was terrified of facing if Farmworld!Finn and the Lich succeeded in destroyed reality?
• Logical Weakness: GOLB is the embodiment of discord. He's weakened by harmony, specifically musical harmony.
• Market-Based Title: Its official title is "Come Along With Me", according to a member of the AT production crew◊, the title card and several other sources. However, CN is simply calling the episode "The Ultimate Adventure", possibly for marketing reasons.
• Music Soothes the Savage Beast: More like harm the living embodiment of Discord.
  BMO: My art is a weapon!
• Nice Job Fixing It, Villain: GOLB metaphysically "digesting" Finn, Simon/Ice King, and (Magic) Betty depowers the latter two, but that also restores their sanity permanently.
• Never Trust a Trailer: The promo made it appear as if the Candy Kingdom/Gumbaldia war would be the central focus of the finale, when in reality the war was averted and all the dramatic scenes and lines shown were actually in a subsequent fight against GOLB.
• Noodle Implements: The Duke of Nuts claims to have a plan involving a Bowie knife, a snowmobile, a parachute, and rubber gloves, but gets shut down by Lemongrab before he can finish explaining it.
• No-Sell: Betty first tries to use the wish power of the crown to banish GOLB, but GOLB is too powerful for that.
• Not so Fast, Bucko!:
  • Finn successfully averts the war from happening. Then GOLB shows up...
  • Maja finally wakes up from her coma... and explodes seconds later.
  • Subverted when Gunter gets the crown. Instead of becoming Orgalorg again, he becomes the new Ice King. Jake thinks he wished for it, though earlier Betty suggested the crown would revert to its Ice King state outside of GOLB.
• No Romantic Resolution: Finn's relationship status is never resolved, as he interacts with neither Huntress Wizard nor Flame Princess throughout the episode, not even in the epilogue.
• Official Couple: While Finn's love life is left open, Bubblegum and Marceline share a kiss during the battle with GOLB and a later scene during the ending montage shows the two cuddled together on Marceline's couch.
• One-Winged Angel:
  • When Marceline thinks PB was killed by GOLB's mutant, she transforms into the Vampire King's cloud ram form from The Dark Cloud to destroy it.
  • When Jake is left alone to defend Ooo and the treehouse, he becomes blue again, first seen in Skyhooks II.
• Outside-Context Problem: GOLB is the ultimate embodiment of Chaos & Discord (Simon and PB describe him as such.) He does not act with an agenda. He just is. This is in contrast to the Lich, who was a sentient embodiment of mass extinction who waited for his chance to act.
• Passing the Torch:
  • A thousand years later, BMO is the King of Ooo.
  • Shermy and Beth essentially become the new Finn and Jake after picking up the Fern Sword. Beth is even implicitly a direct descendant of one of Jake and Lady Rainicorn's pups.
  • Just as Evergreen's apprentice Gunther became the first Ice King, so does Gunther the penguin as he takes the crown and becomes the new Ice King.
• The Power of Rock: Well, music in general. As the embodiment of discord, GOLB and his creations are hurt by musical harmony.
• Redemption Equals Affliction: Betty saves Simon and stops GOLB's rampage that she started, but at the cost of becoming GOLB, forcing her to leave this dimension.
• Redemption Equals Death: Finn and Fern destroy the grass demon that was corrupting the latter, but Fern's body begins to disintegrate, and he spends the rest of the episode as The Atoner by participating in the battle against GOLB, eventually reducing to a seed after GOLB is defeated.
  Fern: I'll defend Ooo down to my last blade.
• Red Sky, Take Warning: The official poster shows a ominous red starred sky, a sign of GOLB's imminent return.
• Series Fauxnale: This 44-minute episode was originally the conclusive ending of the series, providing a happy ending for most of the main characters and having the story of the final battle against GOLB told to Shermy and Beth by BMO eons into the future. And then Distant Lands got announced.
• Shout-Out: Just like M.A.R.G.L.E.S. before her, Betty's pose in the official poster is identical to the Baphomet◊.
• Skewed Priorities: LSP, self-centered as always, takes a selfie in front of GOLB.
• Special Edition Title: Featuring Shermy and Beth and the Future Land of Ooo.
• Surprisingly Happy Ending: Despite a whole lot of dark foreshadowing and the series having gotten quite dark in later seasons, the ending is almost unambiguously happy and positive. There are some bittersweet traces, (mostly Simon and Betty being parted and Fern's demise) but aside from that the aftermath of the Gum War, the fight against GOLB, and the scenes from the future show a lot of truly positive outcomes, even ones that the audience had no reason to expect. A few of those include:
  • The Gum War is actually averted at the last moment, with virtually no casualties aside from the tyrannical, power hungry Gumbald, who had repeatedly shown that he would have been a danger as long as he was around. Without him, Lolly and Bubblegum form a genuine peace and alliance, and even apparently a personal bond.
  • GOLB is apparently transformed by Betty merging with him, in a way that makes him unlikely to trouble the universe again as he has in the past.
  • Gunter becoming the Ice Thing means that it will never again resume being Orgalorg "The Breaker of Worlds", a potential threat that still existed even after Finn defeated it and stopped it from absorbing the comet.
  • On a similar note, Sweet P will never become the Lich, and indeed becomes a great adventurer and hero like Finn.
  • Simon is returned to himself and despite previous indications that he would almost immediately die if he were to take off the crown or to stop being the Ice King, he is fine and able to live a full life.
  • Marceline and Bubblegum have fully reconnected and restored their relationship.
  • A number of minor characters who previously been villains or antagonistic to each other are shown to have reformed or to have put aside their differences.
  • The humans have left their declining (or at least stagnant) civilization on the Islands and returned to Ooo.
  • Moe's dying wish to be sent up to the stars is finally granted, assuming Banana Man's rocket manages to make it into space.
  • Jake's puppies are all working together as a family for pretty much the first time since they were newborns, fixing up and reopening their grandparents' detective agency.
  • The four elemental girls (Bubblegum, Flame Princess, Slime Princess, and LSP) are show hanging out as friends, making it unlikely that there will be any conflicts among themselves or their nations.
  • Some characters who had appeared to be dead or whose survival was at least ambiguous turn out to be alive and relatively well. (For example, while some sharp eyed viewers may have noticed Rattleballs being fixed up in previous episodes, during the epilogue song he is seen front and center for a few seconds, hanging out with some other candy people.)
• Sympathy for the Devil:
  • Even though he brought it on himself and tried to do the same to her, Princess Bubblegum feels sorry for Gumbald spending hundreds of years forced to act like an idiot, watching someone else create the kingdom that he wanted, and realizes he was not at all happy as Punchy. Unfortunately, Gumbald didn't appreciate her sympathy, though Lolly did.
  • Finn is still endlessly compassionate towards Fern, refusing to fight him, actively stopping Bubblegum from killing him, and destroying the Grass Entity that was holding him captive and corrupting him. Realizing that Finn still cares for him - and that Gumbald doesn't - leads to Fern's Heel–Face Turn.
• Trash the Set: Finn and Jake's treehouse is destroyed in GOLB's assault on Ooo. Fern's seed is planted where the treehouse used to be, though no indication is given whether or not Finn and Jake eventually rebuilt it from the resulting tree there.
• War Is Hell: The approaching conflict is stirring up memories of the Great Mushroom War in Marceline, who briefly has a flashback of a burning building. Finn also does his best to end things peacefully.
• We Can Rule Together: A heroic example. PB and Gumbald agree to rule the Candy Kingdom together, but Gumbald immediately tries to betray her. Aunt Lolly steps in to stop him for good, and she makes peace with PB, agreeing to rule alongside her in two separate Candy Kingdoms.
• Wedding Finale: Though it's not any of the main characters who get married, but rather Gunther (who has become the new Ice King) and Turtle Princess.
• Wham Line: King Man appears right as the Candy Kingdom and Gumbaldia make peace, warning everyone that GOLB is coming.
  King Man: We donked up for real.
• "Where Are They Now?" Epilogue: The episode ends with a montage of major and minor characters showing some of the things they got up to after the battle with GOLB, such as Lumpy Space Princess being crowned Queen of Lumpy Space, Carol the cloud-person going back to being a water elemental, T.V. and his siblings reopening their parents' old detective agency, and more.

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Beth: Lift that sword up, Shermy.
Shermy: (he does) Aw, yeah!

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