If you somehow had the chance, would you do your life over? Thirtysomething Mike O'Donnell would. Then one mysteriously magical moment, Mike gets his chance. He's suddenly back at Hayden High where he's the star of the basketball team, a total hottie, and a classmate to his own teenage kids......which gives Mike a chance to go from not-so-good dad to really cool friend. Zac Efron (Hairspray, the High School Musical movies) and Matthew Perry (Friends) are 17 Again and fabulously funny as the younger and older Mike in a good-time time-warp comedy that proves the best year of your life is the one you're living right now.