Dougal from Magic Rounsabout can be seen amongst the props backstage.
Bingo:
Time's almost up!
During a taping the VP Andy is in his office and get confronted by Bingo and attacked. But then we cut back to the show and we see Bingo on stage performing.
During the first half of the end credits, the Banana Splits "perform" their theme song. (Though it's a cover by Fallout Boy's Patrick Stump who also composed the instrumentals throughout the movie)
English