Futurama Episodes

Fry feels really down as Leela is head over heels because of Chaz, the Mayor’s Aide. While on her date, Leela asks Fry if he could walk Nibbler, and he reluctantly agrees. When he says how unimportant he feels, Nibbler speaks and takes him to his home planet. There, Fry learn about his genetic abnormality that qualifies him for a mission to save the universe. While on this mission, we learn what really happened on the night Fry was frozen.
wikipedia.org summary:
Still unable to impress Leela, Fry sadly suspects that he has no importance in life – until Nibbler takes him on a mission to prevent the brains from destroying the universe. In the process, Fry learns what really happened when he was cryogenically frozen on December 31, 1999.
imdb.com summary:
Fry learns that his accidental freezing 1004 years earlier wasn’t an accident and he is given a choice that could prevent its happening, but at a cost.