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." ...

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 ...