Peter is seen briefly in the flash forward scene of the the series finale. He is having dinner with Amber, who is shown to be his wife by their matching wedding rings. They're joined by Sarah Braverman, Drew Holt, Hank Rizzoli, and Ruby Rizzoli. Amber's ex-boyfriend, Ryan York, also comes into the house to hand over Amber's son, Zeek Holt, and it is shown that Peter and Amber are on good terms with Ryan.
- Porter is one of the nine "Friday Night Lights" cast members to star on "Parenthood." The eight others are Michael B. Jordan (Alex), Matt Lauria (Ryan York), Minka Kelly (Gaby), Derek Phillips (Billy), Sam Jaeger (Joel Graham), Jurnee Smollett-Bell (Heather), Jeff Rosick (student), and Angela Rawana (therapist).
- Porter stared on Parenthood creator, Jason Katims', other TV show, "Friday Night Lights" as Jason Street.