The two Warner Brothers Yakko and Wakko and their Warner sister Dot had been (supposedly) created in the 1930's, but their cartoons were too screwy for the general public to handle. The three Warners were locked up in the studio water tower until they escaped in the 90's. There, they run wild, causing chaos everywhere!
The Warners are lost in sea and found a message in a bottle floating on the surface.
After the closing of Termite Terrace in 1962, Plotz loans the Warners out to other cartoon studios in order to help Warner Bros. stay profitable.
The Warners sing about all the bones in the body, using Mr. Skullhead to demonstrate.
Wakko is being chased by something terrifying behind the camera (Dot, who is playing tag with him).
A parody of the "Macarena" music video with a song sung by and about Dot, a.k.a. "Macadamia".
Skippy is forced to deal with the school bully, Duke, while Slappy faces an advocate against cartoon violence.
Snow White's magic mirror tells her that she is no longer the cutest one of all, so she decides to settle the score with Dot, who has taken her place as the cutest.
The Warners come to the United States as immigrants, and invade the home of the Friends cast.
The Warners sing a song about Attila the Hun.
Chicken Boo assumes the role of the Caped Crusader's (guest voice: Adam West) sidekick Robin in order to stop the evil Punchline.
The Warners cause chaos when the famous magicians Schnitzel and Floyd (parodies of Siegfried & Roy) invite them onstage as volunteers in their act.
A parody on The Sorcerer's Apprentice from Fantasia. The Brain builds robots, and almost succeeds in dominating the world, but Pinky gets in the way.
The Warners write a movie script only to have Mr. Plotz reject it, so they decide to crash a star-studded gala in hopes of making a deal with another studio.
Plotz loses his job after the Warners' movie becomes a box office smash, but they realize that they miss having him yell at them and conspire to bring him back.
Slappy and her old partner Suzi Squirrel (voiced by Phyllis Diller) reunite to perform a old sketch on a TV show.
The Warners join in a carpool where they drive the rest of the passengers crazy.
After Slappy's tree is cut down and taken to New York City for use as the Christmas tree in Rockefeller Center, she drives everyone crazy trying to get back to sleep.
Chicken Boo and several other characters address the eternal question: "Why Did the Chicken Cross the Road?"
Katie Ka-Boom has been invited to the prom, but gets angry while arguing with her parents over her curfew and what to buy.
Another eternal question is addressed: "Which came first: the chicken or the egg?"
The Goodfeathers look out and comment on a sunrise.
Standing in for Richard Stone who is out for the day, Neivel Nosenest is driven completely crazy by the Warners for the scoring of a cartoon. (featuring nearly the entire cast as the studio orchestra).
A clip show segment of "the first 99 episodes" of Animaniacs intended to fill out the remaining time in the show's final episode, set to an orchestral arrangement of the show theme and various character themes.