Watch Mad Dogs Online for free at Couchtuner.me. When a group of underachieving 40-something friends gather in Belize to celebrate the early retirement of an old friend, a series of wild, comedic events unfold, exposing dark secrets and a web of lies, deception and murder. Starring Michael Imperioli (The Sopranos), Billy Zane (Twin Peaks), Steve Zahn (Dallas Buyers Club) and Romany Malco (Weeds). Executive produced by Shawn Ryan (The Shield).