Tormented by a heckler on Twitter, Marc goes on a mission with his podcast guest, Dave Foley, to track down and confront the Internet troll harassing him online. In the process, Marc’s cat gets sick and he has an uncomfortable encounter with his ex-wife and her new husband.

Marc discovers the source of the awful smell stinking up his house. His podcast guest, Denis Leary, calls Marc’s masculinity into question, causing him to over prepare for removing the dead animal from under his house. Marc’s mom sets up a meeting between him and a family friend who becomes Marc’s eager new assistant. Watch the series premiere of Maron on Friday, May 3rd at 10/9c on IFC.

Marc’s estranged dad, Larry, shows up in an RV at Marc’s house with yet another foolproof scheme to get rich quick. Marc and Larry air their grievances towards each other and a power struggle ensues.

Marc finds out from his podcast guest and friend, Illeana Douglas, that his ex-wife is having a baby. Illeana sets Marc up on a blind date with a nice girl, but he falls for a raunchy dominatrix instead.

Tired of dating younger women, Marc decides to date an age-appropriate woman he meets at a coffee shop. She's smart and sexy, but things go south when she puts Marc in the hot seat by having him interviewed on her son’s podcast.

At an AA meeting, Marc becomes a sponsor to Manny, an ex-con just out of prison. Marc finds himself in over his head while he accompanies Manny to his old haunts.