Throughout the Series
the fight Alex got into; Peter said that he'd seen it. Deputy Standall joked that he's got a family of brawlers and has to keep them on the right side of the law.
Peter was present at Alex' birthday party. He asked Alex' friends how Alex is doing, to which they told him he's doing well. When he saw Alex stand up to greet Jessica, he wanted to go and help him, but his dad told him not to. When Alex wasn't enjoying the party and got angry at Zach for not wanting to tell his mom that he's with Alex, Peter asked again what's going on and that he's hasn't made any progress since he last saw him a month ago.Alex freaked out at his party and yelled at everyone that he's broken, but Peter told him that he's not. Alex yelled at him, asking how he'd know as Peter only visited twice since he got out of the hospital. Peter defended himself by saying he had school.
Peter first appeared this season when Alex introduced Charlie to the family. Peter immediately recognized Charlie at the quarterback of the Liberty Tigers. Alex then revealed that Charlie is his boyfriend. Peter was excited that Alex was dating a quarterback and invited Charlie to sit next to him and talk about football.Peter attended Alex' graduation with his parents and Charlie. He was seen talking with the football players, where he tells Luke Holliday that he loves him, he has a great arm but isn't known for his brain. He's later seen taking a picture of Alex and his parents.
- Son, Diana (writer) & Yu, Jessica (director) (March 31, 2017). "Tape 6, Side A". 13 Reasons Why. Season 1. Episode 11. Netflix.
- Yorkey, Brian & Moore, Kirk (writers) & Morris, Michael (director) (May 18, 2018). "The Third Polaroid". 13 Reasons Why. Season 2. Episode 7.
- Yorkey, Brian (writer) & Kretchmer, John T. (director). (August 23, 2019). "Let the Dead Bury the Dead". 13 Reasons Why. Season 3. Episode 13.
- Yorkey, Brian (writer) & Yorkey, Brian (director). (June 5, 2020). "Graduation". 13 Reasons Why. Season 4. Episode 10.