On Lethal Weapon Season 2 Episode 4, Murtaugh attempts to get closer with Riana, and the case of the week involves a heist 20,000 feet in the air. Here’s a preview of “Flight Risk.”

On Lethal Weapon Season 2 Episode 2, Riggs and Murtaugh investigate a drug ring that runs out of a wellness clinic. Here’s a preview of “Dancing in September.”

On Lethal Weapon Season 2 Episode 1, Murtaugh searches for Riggs down in Mexico. Here’s a preview of “El Gringo Loco.”