Our heroes find themselves in a fanciful wonderland where it's Immortimas Day.
- Do Not Call Me "Paul": Immortus flips out over Larry addressing her as Isabel.
- Musical Episode: The episode has everyone singing songs to carry the story forward.
- Pseudo-Santa: Immortus serves as the Santa Claus figure for Immortimas.
- "The Reason You Suck" Speech: When Immortus tries to badger Rita into praising her, Rita responds by going into a gradually more venomous rant on how Immortus is little more than a selfish narcissist who can't handle not being the center of attention.
- Theme Tune Cameo: "You're All Doomed" is performed to the tune of the show's theme.
- Villain Song: Immortus sings "You're All Doomed" at the end of the episode, where she lashes out over the Doom Patrol standing up to her and refusing to play along with the fantasy world she's created any longer.
