Muppet Babies - Season 4 (1987)

The kids learn about space from Beaker and Dr. Honeydew, which further stimulates their active imagination.

When Fozzie loses his skate key in an air vent during an earthquake, the babies journey below the Earth to look for it.

Piggy daydreams about being Hollywood star.

On Valentine's Day, Nanny gives the babies special cookies, but Rowlf doesn't get one and becomes depressed.

Kermit and his friends stumble upon Nanny making something slimy and disgusting and worry it's a new food for them to eat.

The Babies argue over what kind of dancing is better.

The cookie jar in the kitchen is broken and Gonzo quickly becomes the prime suspect; so Scooter decides they should give him a fair trial to determine his innocence or guilt.

After the Babies accidentally spill jelly all over the hallway. Nanny tells them they have to stay in the nursery, where they imagine that they are on a deserted island.

Kermit stumbles upon Nanny preparing a surprise for them for the next morning and promises not to tell anyone; but the other babies spend the night trying to get Kermit to confess to what he saw.

The kids imagine they're on the beach as they play in their inflatable pool and teach Fozzie how to swim.

As they wait for their favorite sweets, the blueberry muffins, to arrive from the store, the kids imagine they're on an adventure in a supermarket. They also imagine how farms produce muffins and other food.

The kids get to babysit Kermit's nephew, Robin, who's still just a tadpole. Piggy suggests that they entertain him with their own production of the Little Red Riding Hood - starring her.

When the Babies destroy Piggy's doll house, while playing football. They help her build a new one.

The babies get invited to a costume party and Nanny gives them a box of old costumes for them to pick from; Gonzo goes through several and has trouble deciding which one to be.

The babies declare it Nanny's Day and give her the day off while they take over the cooking and cleaning, and the most important job of finishing her big surprise.