Repeated Jokes

* Fry confuses Hermes for someone else
  * "A Pharoah to Remember" - in the tomb Fry and Lela pretend to have forgotten about Bender. Fry remembers Hermes as the guy who used to bend things
  * "War is the H-Word" - After Lee Lemon steals the helicopter, Fry wonders if it is Hermes in disguise

* Non-linear time
  * "The Lesser of Two Evils" - Fry says that if he wants to go back to the year 2000, he'll just freeze himself again
  * "The Cryonic Woman" - a defrostee says that he froze himself because he wanted to meet Shakespeare and he figured time was cyclical

* Mocking the validity of science in a question with an obvious answer
  * "The Honking" - a villager claims that "modern science" cannot explain how a robot walks or talks
  * "Goodfellas" - Bender wonders why the humans' "precious science" is unable to explain why the palm tree gets sick every time he cooks

* Fry makes reference to mushrooms in his bathroom
  * "The Problem with Popplers" - Fry believes he is good at foraging because he used to find edible mushrooms on his bath mat
  * "Jurassic Bark" - Fry commends Seymour for waiting for him just like the mushroom in his shower

* Zoidberg is excluded from a group in a degrading way
  * "Obsoletely Fabulous" - Bender asks Robot 1X to save his friends... and Zoidberg
  * "Kif Gets Knocked Up a Notch" - Fry notes that everyone they invited to Kif's baby shower is present. Zoidberg notes that he is also there