The actor, who left the series in 2020, came back to play his beloved character Dr. Spencer Reid in Season 18, Episode 3, ...

Matthew Gray Gubler’s Dr. Spencer Reid. Fans of the OG series know that Gubler’s character — a genius BAU agent introduced on Day 1 of the show — starred in 15 seasons and over 300 episodes.

Obvious there are hyper-positive responses to be found, such as the ones below (including one that just blindly hopes everything will go well): i don’t really care why spencer reid is there as ...