Marc experiences romantic feelings for a fellow patient in rehab.
Marc visits his mother in Florida and must try to get along with her annoying boyfriend.
Marc's rehab roommate turns out to be an annoying young addict.
Marc and his fellow rehab patients go on a field trip to his old neighborhood.
Marc is set up in an odd living situation by his sponsor.
In the Season 4 premiere, friends help get a troubled Maron into rehab.
Marc is excited about getting the chance to hang out with a sober but unpredictable buddy.
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