Superman must stop the evil Mister Mxyzptlk from pulling off dangerous pranks throughout Metropolis.

Presents the life and accomplishments of the pioneering scientist who became the world's expert on chimpanzees.

Superman takes Lois Lane to his Fortress of Solitude to tell her about his life and powers, but they must return to Metropolis in a hurry when Lex Luthor tries to take over the city.

As a member of the intergalactic Green Lantern Corps, Hal Jordan is tasked with protecting his sector. Is he up to the challenge?

Marley finds himself in even more trouble when his messes start to get out of control.

A famous chef is coming to visit Mr. Hopper's second grade class, and every one is excited about bringing in their family's favorite dish to share except Ollie, who loves to cook but cannot find a dish his whole family likes.

Two chickens, Dinah and Rufus, find that running a diner is harder than they expected when every customer wants something that is not on the menu, until finally someone comes in for whom the Custard Surprise is just right.

When he takes a ride in a U.F.O. to meet Janet, the head alien, Rappy must make a decision to live with her on Mars or return home.

When you take a trip to Silly Street, don't forget to bring your sense of humor! From balloon rides to crows that chew bubble gum, you'll wish you could stay forever!