That’s right! Michael J. Fox, who many of us will always think of as Family Ties‘ young Republican Alex P. Keaton or the hirsute high school hoopster Scott Howard, is celebrating his birthday today. Is it really possible that he’s 48? Where does the time go? To help celebrate the Canadian actor’s big day, we offer you this classic trailer from 1985’s Teen Wolf — the Citizen Kane of lycanthropic puberty films.