He's been a profound experience for me," Badgley tells PEOPLE exclusively With Netflix's You coming to an end, Penn Badgley is looking back on the series — and the character — that encompassed his 30s.

In an interview, Penn Badgley breaks down the series finale of Netflix's You and why Joe Goldberg's downfall had to happen the way it did.

"He needed to be as dangerously close to being witnessed finally as a sexual predator that he was," Badgley tells PEOPLE of his character Joe Goldberg