Move over, Riggs - Lethal Weapon Season 3 introduces Seann William Scott as Detective Wesley Cole, a former international CIA operative who will find himself navigating a new partnership with Det. Murtaugh (Damon Wayans), as he adjusts to life in Los Angeles. As our exclusive sneak peek promo proves, it doesn't take this new dynamic duo to get themselves into trouble. Lethal Weapon Season 3 premieres Tuesday, Sept. 25 at 9 p.m. on Fox.