Fry enrolls at Mars University and competes with a monkey made smart by Prof. Farnsworth's latest invention while Bender tries to make the local chapter of his robot fraternity cool.
Bender flushes Nibbler down the toilet in a fit of jealousy, which prompts Professor Farnsworth to implant in him a chip that will allow him to feel empathy.
After a horrendous accident requires his body to be rebuilt, Fry's head is attached to the shoulder of a co-worker while Bender opens a dating service just in time for Valentine's Day.
The Planet Express crew discovers a delicious snack food on a remote planet, but Leela has a change of heart when she discovers a disturbing fact about the snack food that endangers Earth.