Zac Efron loves a good adventure. When he’s not showing off his dancing skills, or making out with Michelle Rodriguez in Italy, he’s jumping off cliffs with TV host Bear Grylls! A shirtless Zac appears on the premiere episode of Running Wild with Bear Grylls, a reality show which takes celebrities to remote locations for 48 hours of thrills. For his two-day adventure, Zac heads to the Catskill Mountains to jump off a cliff.