An otherworldly encounter puts Tree Trunks on the trail of a conspiracy in the Candy Kingdom.
Tropes:
- Accidental Misnaming: The alien abductee support group call Tree Trunks "Train Tracks".
- Aliens Speaking English: Tree Trunks' "space husband" taught himself English online.
- Big "WHAT?!": After her close encounter with Tree Trunks' space husband and his kind, Princess Bubblegum wakes up in a ditch and lets out a series of baffled cries of "What?!"
- Boldly Coming: Tree Trunks is a mother of six elephant/alien hybrids.
- But Now I Must Go: TT's alien lover tells her he's going to take Princess Bubblegum's probe to his "abandoned" planet but it's so far away he won't see her again for 40 years.
- Call-Back: Tree Trunks is still mad at PB due to crashing during her wedding.
- PB's "spores" are the little figures she was experimenting with by chopping off and reattaching their limbs.
- Cassandra Truth: Neither PB nor Mr. Pig believe Tree Trunks' rambling about aliens, until she beams PB aboard the ship herself and until Mr. Pig wakes up as TT's "space husband" says goodbye.
- Easily Forgiven: The aliens, after the misunderstanding is cleared up, direct PB's rocket to a planet where it can do no harm.
- Egopolis: Not only are all of PB's giant probes are painted to look like her (complete with crown), some have different clothes and expressions!
- Evil Costume Switch: PB appears in her rocket shed wearing a red dress-suit with gold trim, a small cape, with a gold-tipped staff and her hair in an Action Braid. She's not evil though, she really didn't realize the "planets" were actually a ship or what her "spores" were doing to the inhabitants.
- Friendship Moment: Averted, although they make amends Tree Trunks makes it clear she'll never be friends with PB - it's subtly implied she still believes in the King of Ooo's sovereignty as she refers to PB as a "false idol".
- The Greys: Tree Trunks has been visited by these types of aliens for decades, and is amorous with at least one individual.
- Mushroom Samba: What seems to be going on when TT gets taken by the alien, seeing as time appears to be slowed down inside the ship, "mushrooms" (actually the ship's controls) are sprouting from the walls, and TT's hybrid babies appear with no context.
- Only You Can Repopulate My Race: Implied with the aliens, as TT's lover says his home planet is "abandoned", he creates several hybrids with Tree Trunks, and he is willingly transporting PB's probes to his planet so a second Candy Kingdom can be founded.
- Polyamory: Tree Trunks may be married, but still acts affectionately towards her "space husband" and insists Mr. Pig not be jealous. At the end of the episode, she introduces the two.
- Poor Communication Kills: A lot of drama could have been averted if Tree Trunks didn't assume that PB was intentionally attacking the aliens with her probes, and was more articulate about her concerns.
- Properly Paranoid: PB has begun sending out rockets to set up new Candy Kingdoms in case Ooo is destroyed. As we all know her fears are fully justified.
- Secret Other Family: Played with; Tree Trunk's alien husband and hybrid children (who seem to predate her relationship with Mr. Pig) is a secret, but only because no one believes her when she talks openly about it.
- Secret Underground Passage: Starchie takes Tree Trunks through one to get to the secret meeting room, with Tree Trunks pointing out how elaborate it is. It proves to be unnecessary, however, as the meeting room is at the alley where they started out in the first place.
- Shout-Out: The mantis-alien eats a giant carrot with disturbing rapid head movements; a candy-being bursts out of the mantis alien's chest; TT's hybrid babies eat out of a large dish with Garfield written on it.
- Wallpaper Camouflage: Starchie hides himself by painting his back to match the alley wall, using Dank Alley paint.
- What Did I Do Last Night?: After PB is taken into the ship she and TT wake up the next morning in a ditch completely disheveled, with PB's hair come undone and her jacket off.
