After Wander comes down with a cold, he depends on Sylvia to take on his many duties helping others.
Tropes appearing in The Sick Day
- Sylvia being a heavy sleeper, as shown in "The Night," "The Breakfast," and "My Fair Hatey". She's quite amazed at how much Wander does.
- Wander keeps the universe stable with all of his good deeds, while also getting into trouble.
- The Cat Came Back: Despite Sylvia swaddling Wander, wrapping him in duct tape, wood and metal, he still manages to break out of each one to "help" her on various errands.
- Chekhov's Gun: Wander's Sneeze of Doom helps him break out of the steel box that Sylvia locked him in and to find his way to Ms. Myrtle.
- Chronic Hero Syndrome: Wander every day tries to help everyone in the galaxy, going so far as to add inches to Peepers' shoes!
- Continuity Cavalcade: Wander helps nearly everyone that he has met in the previous episodes, without breaking a sweat unless he's sick.
- Continuity Nod: Sylvia tells Ms. Myrtle the joke that Dominator told her.
- A Day in Her Apron: Sylvia finds out just how much Wander does before she wakes up every morning.
- Motivational Lie: A positive one where Wander elevates Peepers' shoes to make him think he's growing taller.
- Nice Job Breaking It, Hero!: Narrowly averted; Wander bringing snickerdoodles to Ms. Myrtle leads her to threaten Sylvia with destroying the universe.
- No Good Deed Goes Unpunished: Sylvia trying to fill in for Wander, with Wander insisting on following her for every step, runs her ragged. Captain Tim also shreds her thrice.
- Reasonable Authority Figure: Ms. Myrtle. Though she hates snickerdoodles, she's never threatened to destroy the universe during the other times Wander has brought them and only tells Sylvia since Sylvia understands. She also understands that Wander didn't come because he was sick and when he does arrive, she helps put him into an enchanted sleep so he can rest.
- Serious Business: Ms. Myrtle threatens to destroy the universe unless Sylvia gets rid of Wander's snickerdoodles.
- "Shaggy Dog" Story:
- Sylvia once again goes to the guru from "The Epic Quest of Unfathomable Difficulty" to find the person who lost a sock. Turns out to be Wander's sock.
- Wander makes Sylvia sneak into Dominator's ship to water a cactus that he secretly put in her guest bathroom. Then Wander realizes he might have dreamed it.
- Sick Episode: Wander has a cold which incapacitates him. Ms. Myrtle finally puts him into a hypnotic sleep so he can rest.
- That's No Moon!: Sylvia lands on the planet where Ms. Myrtle lives. She then realizes that she's on Ms. Myrtle, who is a giant space turtle.
- Working Through the Cold: Despite Sylvia's attempts to get him to rest, Wander insists on coming along to help.
Wander discovers an adorable new species and accidentally exposes them to an entire new world.
Tropes appearing in The Sky Guy
- Baby Planet: The Bitties live in a planet the size of a baseball.
- Bizarrchitecture: Neckbeard's shop is a Shout-Out to M. C. Escher's print "Relativity".
- Don't Touch It, You Idiot!: Sylvia warns Wander not to touch the planet that Neckbeard has. Wander doesn't listen.
- Call-Back: This is the third episode where Sylvia seeks out a means to stop Dominator, and the third where she fails to find something tangible.
- Exact Words: Neckbeard is all about these, asking Sylvia exactly what kind of item she wants to either "translocate," "stop," or "destroy" Dominator.
- God Guise: Wander peeking in on the Bitties and messing around with their world leads them to start worshiping him.
- Idiot Ball:
- Sylvia not taking Wander with her when he's entranced by the tiny planet that Neckbeard has.
- Wander witnessing that he's destroying a planet physically and morally (that was in perfect condition before messing with it); then continuing to try to "help" them, as he progressively makes things worse.
- Insufferable Genius: Neckbeard the Nay-sayer, who spends a lot of time bragging about his magic powers and his collection of magical paraphernalia.
- Nice Job Breaking It, Hero!: Wander ruins a peaceful utopia (his ultimate goal for the galaxy) because he believes that everyone has the right to know about the outside world.
- Only Works Once: The Oblivion Mirror. Wander and Sylvia use it to send the Bitties' planet to another galaxy.
- Neckbeard's routine with the Bo staff is a reference to the Star Wars Kid viral video.
- As Neckbeard chases Wander and tries to hit him with a magic spell, one of his spells hit a bunch of brooms that come to life and start cleaning.
- Stop Worshipping Me: Wander is at first flattered that the Bitties built a statue of him and are bowing down to it, but then a second group builds a bigger statue and the two groups start fighting each other, which upsets Wander.