The Bunny from Beyond!

After just defeating the giant alien egg-yolk, the Zoo Crew hears from a TV news report that Baron Von Vermin, the ambassador from San Salamander, had donated a number of eggs for the annual Easter egg hunt at the White House and that more yolk-monsters had come out of them; yolk-monsters were also hatching in other parts of the world as well, all as part of Von Vermin's plan of revenge for Ratzi Verminy's defeat in the Second Weird War.

The Zoo Crew transport back to Waspington, D.C. and rescue the citizens there while trying to defeat the giant yolks. Oklahoma Bones, Jr. recognizes Baron Von Vermin, and he and the team manage to get the Baron to reveal the location of the cocoon holding the alien bunny, which turns out to be Easter Bunny Island. The team finds the cocoon (which has carrots growing out of its sides) in an extinct volcano on the island, and they soon free the "bunny from beyond" who quickly causes the yolk-monsters to disappear due to his alien powers being vastly increased on Earth (which explains why the alien bunnies had not gotten rid of the yolk-monsters like this in the first place). After turning Baron Von Vermin into stone, the bunny from beyond proclaims his name to be Ralf-124C4U and announces his intention to conquer the world, following up this threat by defeating and imprisoning the Zoo Crew after a terse battle.

The Zoo Crew members are each imprisoned in specially-made restraints, but, when Captain Carrot's powers wear off, he is easily able to escape in Roger Rabbit's skinny frame. Roger grabs the carrots that the alien bunny had taken from him (they were very similar to the ones which grew on his cocoon and which provided him with an energy source) and uses them to transform back into Captain Carrot. He then ties Ralf-124C4U's ears together, and, when the alien bunny uses his powers, the feedback causes him to vaporize along with the building and the restraints that he had created with his mind, freeing the Zoo Crew once again.