"Ladders": Abed mentions to Frankie that Jeff saw a Pierce hologram last year and that none of the rest have ever seen. When Jeff, Britta and Annie form a secret committee to oppose Frankie Dart and set up a speak-easy beneath Shirley's Sandwiches, Abed refuses to join the committee. Once he sees the speak-easy, he joins and makes up with Jeff and the others. Jeff greets him with "what's the rumpus" which Abed recognizes is from the movie "Miller's Crossing".
"Basic Crisis Room Decorum": When City College plans to air an attack ad on Greendale for giving a degree to a dog, Abed initially creates a counter-attack ad following Jeff's direction. Abed changes the ad to reflect the truth, following Annie's direction.
"Queer Studies & Advanced Waxing": Jeff and Abed join the rest of the committee watching a theater production of "The Karate Kid" starring Chang and Annie Kim. Jeff also joins Abed in wearing cat masks and saying goodbye to the surviving bird Abed and Elroy removed from a nest in a computer router.
"Laws of Robotics & Party Rights": Jeff attends the party at Abed and Annie's apartment where Abed is filming his movie "Britta's Party". Abed asks him to party like there is no tomorrow so he can film it but Jeff's lame dancing causes Abed to move on.
"Basic Email Security": When the committee are setting up for the Gupta Gupti Gupta performance, Abed starts reading the leaked emails and notes that Jeff auto-paid for his car insurance.
"Advanced Safety Features": When Frankie warns the committee about guerrilla marketing happening at Greendale, Abed mistakes guerrilla for gorilla. Jeff corrects him. Later, they attend the Natalie Is Freezing concert together.
"Intro to Recycled Cinema": Jeff stars as the "Mayor of Space" in Abed's movie "Chief Starr and the Raiders of the Galaxy".
"Basic RV Repair and Palmistry": Out of gas in Elroy's RV, Jeff lectures Abed that the situation isn't a show, calls him dumb and tells him to go sit in the back of the RV. Later, when Abed has tried to "flashback" numerous times and is struggling, Jeff slaps him.
"Modern Espionage": Jeff and Abed team up with the rest of the committee (minus Chang) in Paintball Assassin and try and find out who is behind the latest game.
"Wedding Videography": Abed is filming Garrett's proposal and wedding so does not appear. He does tell Jeff to stop interacting with him when filming Garrett's proposal. Later, Jeff scolds Abed for remaining in his apartment when everyone else has left for Garrett's wedding and tells him to get going.
"Emotional Consequences of Broadcast Television": Jeff initially struggles with Abed's announcement that he is leaving Greendale for Hollywood. Eventually, he comes to term with it and drives Abed and Annie to the airport. He hugs Abed twice and bids him goodbye.