Mark Harmon, the stiffest man on the planet who still has a pulse, plays a laid-back, Cali surfer dude-turned-teacher. It's a tough sell, but sun stroke and hash are the only way to explain why his love interest is…Kirstie Alley? Yeesh. Still, as "gaggle of high school misfits" go, Summer School has the best crop—Dave and Chainsaw are a cooler man's Jeff Spicoli.