"The Show Stopper" is an episode of Wander Over Yonder.
- Sylvia wears the same disguise that she wore in "The Party Animal".
- Third time an episode's title appears more than once, the others being "The Liar" and "The Matchmaker".
- Lord Hater and the Harbingers of Doom was mentioned early on in "The Greatest".
- Jack McBrayer as Wander
- April Winchell as Sylvia
- Keith Ferguson as Lord Hater
- Tom Kenny as Commander Peepers
- Noel Wells as Lord Dominator
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