Reprised Roles

Season 1

 * Episode 6: Batman Family Feud: Diedrich Bader reprises his role as Batman just like in Batman: the Brave and the Bold.

Season 2

 * Episode 32: Super Khakis: Gregg Berger reprises his role as the Kingpin from Spider-Man: Web of Shadows.
 * Episode 32: ThunderLOLcats: Will Friedle reprises his role as Lion-O from the 2011 reboot of ThunderCats.
 * Episode 35: The Scooby-Doo Gang, Ruining Halloween Since 1969: Matthew Lillard reprises his role as Shaggy Rogers.
 * Episode 43: 2 Broke Powerpuff Girls: Tara Strong and Tom Kane reprise their voices of Bubbles and "Him", just like they voiced in the Powerpuff Girls.
 * Episode 45: Tara Strong reprises her roles of Twilight Sparkle from My Little Pony: Friendship is Magic and Raven from the Teen Titans.
 * Episode 48: Garfield of Dreams: Frank Welker, the current voice of Garfield, reprises his role.
 * Episode 48: I Hate My Teenage Mutant Ninja Turtles: Michael Sinterniklaas reprises his role as Leonardo
 * Episode 49: Garfield No Monday Calendar: Frank Welker, the current voice of Garfield, reprises his role.
 * Episode 50: Moves Like Jabba: Billy Dee Williams reprises his role of Lando Calrissian from Star Wars Episode V: the Empire Strikes Back.
 * Episode 51: My Little PWNY: Tara Strong reprises her role as Twilight Sparkle.

Season 3

 * Episode 59: The Mixed Martial Artist (Shyla dub): John DiMaggio reprises his role as Jake from Adventure Time.
 * Episode 63: Adjustment Burro: Tara Strong reprises her role as Twilight Sparkle.
 * Episode 73: The Monday Project : Frank Welker, the current voice of Garfield, reprises his role.

Season 4

 * Episode 90: McDuck Dynasty: Jeff Bergman reprises his role as Daffy Duck.