O'Brien explained last year why he opted not to reprise his fan-favorite character, Stiles, for the Paramount+ reunion movie. Tyler Posey, Crystal Reed, and more chat with ET about 'Teen Wolf ...

Tyler Posey on Dylan O'Brien's absence in "Teen Wolf: The Movie." Crystal Reed however is back, despite her character Allison Argent getting killed off during the season three finale of "Teen Wolf." ...