Recently adopted Imaginary Friends paint a less-than-rosy picture of life outside the house.

Bloo and the Friends want to make Mac's last day at Foster's special.

Bloo challenges Mac to a 30-mile race from the arcade to Foster's.

When the front door to Foster's is left open, Coco escapes.

Eduardo begins telling tall tales to the little friends.

Bloo is bent on doing the ultimate Halloween trick.

Bloo tries to grow up when he believes Mac is getting married.

Mac is captivated by Bloo's unbelievable story.

Eduardo finds a $100 bill at a swap meet.

Accidentally created in a lab by Professor Utonium, superpowered sisters Blossom, Bubbles and Buttercup regularly save Townsville from evildoers such as Mojo Jojo, the Gangreen Gang and Him. Blossom is the self-proclaimed leader of the trio, Bubbles is the cute one and Buttercup is the toughest one.

Wander is an eternally optimistic intergalactic traveler who likes to do good things for others. His best friend is a quick-tempered, loyal horse named Sylvia. They travel throughout the cosmos together and go on adventures, making new friends -- and enemies -- along the way. The pair battles evil on the journey, including Lord Hater, the biggest evildoer of them all, and his army of Watchdogs. The animated comedy series was created by Craig McCracken, who also created such animated hits as "The Powerpuff Girls" and "Foster's Home for Imaginary Friends."

After being sent into the future by evil wizard Aku, young samurai Jack makes a quest to return to the past and undo the destruction caused by the wizard. Along the way Jack enlists allies to defeat some of Aku's henchmen and other villains before getting to the top dog to defeat him and find the portal that can return Jack to his own time. "Samurai Jack" was created by Genndy Tartakovsky, who had previously created "Dexter's Laboratory," one of Cartoon Network's first original series.

Twelve-year-old Finn battles evil in the Land of Ooo. Assisted by his magical dog, Jake, Finn roams the Land of Ooo righting wrongs and battling evil. Usually that evil comes in the form of the Ice King, who is in search of a wife. He's decided he should wed Princess Bubblegum, though she doesn't want to marry him. Still, he persists in trying to steal her away, and Finn and Jake, along with Lady Raincorn (a cross between a unicorn and a rainbow) do their best to keep her from harm.