YMMV: Rolie Polie Olie
- Ear Worm: ALL the music on this show.
- Narm: The Skyward Scream in "It's a Roundiful Life". "WHAT ABOUT MEEEEEEEEEEE!!!!???"
- Retroactive Recognition: Young Uncle Gizmo is voiced by then-unknown Michael Cera.
- Space Whale Aesop: In "Rewind", Olie sets off his father's time machine when he cleans the garage too quickly.
- “Stop Having Fun” Guys: Gloomius Maximus is a literal one of these, his goal being to drain the emotion of fun from the universe.
- Tastes Like Diabetes