Crazy Little Thing Called Love (S06E04)

Josh Duhamel and Molly Sims guest star as their Las Vegas characters, Danny McCoy and Delinda Deline, whose Boston vacation turns into a crime-busting mission when they help Jordan and Woody investigate the murder of a boxing champ. Meanwhile, Bug works on the case of a woman who was found in the Charles River – and had been there since the 1980s. And a pregnant Lily returns to work and reveals the identity of the baby's father. (National Broadcasting Company (NBC))