'You' Spoilers: Every Person Penn Badgley's Joe Killed Off in Seasons 1-3

The fourth season of You just premiered and it’s been a while since season three, so let’s refresh you on some details from the past.

You follows a bookstore manager who begins an obsession with a woman. But, what starts as a charming and awkward infatuation soon turns into a dangerous obsession as he cunningly eliminates anything and anyone standing in his way.

Penn Badgley plays Joe and he has no problem killing the people who stand in his way of love. That sometimes means even killing the people he loves.

Browse through the slideshow to see every character killed by Joe in seasons one through three…