Pedro's annoyance with Puck increases over Puck's interruptions.Pedro finds out that his T-Cell count has dropped to 32;Pam and Judd are upset.Pedro goes to LA to do a talk show.He and Rachel discuss their opposing views on HIV.
As move out day approaches, Cory plans a final group trip to Monterey.But only she,Judd,Pedro and Pam wind up going.Mo works hard on his bands first video and explains that he's had to be a loner in order to get it done.
Pedro, Sean and the kids prepare for the big engagement party.Puck calls with an invitation to his soapbox race; the kids debate it, but Cory alone seems torn.Meanwhile,Puck and Toni's romance continues apace.
Jo and Rachel become the "wonder twins".In general the women outshine the men in the various activities.Judd seems jealous of the two scuba instructors that Jo and Rachel like so much.Rachel has a scary fall while cliff diving.
Pedro overhears Puck and Rachel telling gay jokes on the phone.Pedro grapples with the fear that his relationship with Sean is going too fast. Puck's flirtation with Heather leads to an argument between Rachel and Heather.
Mike and Jordan's relationship sours when Mike makes controversial racial remarks in front of his roommates, inspiring Kassius to speak at a Black Lives Matter march.
Puck goes to drunk driving school and comes home with a lost dog he's found.Puck (and everyone) loves the dog, but they decide they should post flyers to find the dog's owners.Rachel is upset by a rejection from Princeton.
The group has a house meeting to persuade Puck to change his behavior. He steadfastly refuses. Pedro gets enraged and says that either he goes or Puck goes. They have a vote and decide to evict Puck.