Futurama Episodes

Suffering from aches and pains, Fry and Leela turn to Dr. Zoidberg who gives them a “miracle cream” that he bought long ago from a traveling salesman. Lo and behold, when they try it out, it actually is a miracle cream that gives them superpowers. Fry and Leela decide to become superheroes with Bender as the third member of their team.
wikipedia.org summary:
Dr. Zoidberg’s mysterious miracle cream gives Fry and Leela superpowers. Teaming up with Bender, they form the New Justice Team, under the respective alter egos of Captain Yesterday, Clobberella, and Super King. But Leela’s new duties as a superheroine put a strain on her relationship with her parents.
imdb.com summary:
After using a tube of “miracle cream” Fry and Leela gain super powers and form “The New Justice Team” along with Bender.