Lethal Weapon 3x15 "The Spy Who Loved Me" Season 3 Episode 15 Promo (Season Finale) - When Cole is investigated by the FBI, Murtaugh is forced to question his loyalty to his own partner. Meanwhile, Cole works a case that puts Natalie's fiancé, Andrew, into the crosshairs right before their wedding day in the all-new “The Spy Who Loved Me” season finale episode of LETHAL WEAPON airing Tuesday, February 26th on FOX.