Potty Time

While in his teens, Donny fathered a son, Todd, and raised him as a single parent up until Todd's 18th birthday. Now, after not seeing each other for years, Todd's world comes crashing down when Donny resurfaces just before Todd's wedding.

Galifianakis dreamed of becoming a star. But when Will Ferrell discovered his public access TV show, 'Between Two Ferns' and uploaded it to Funny or Die, Zach became a viral laughing stock. Now Zach and his crew are taking a road trip to complete a series of high-profile celebrity interviews and restore his reputation.

Buddy Young was the comic's comic, beloved by everyone. Now, playing to miniscule crowds in nursing homes, it seems like everybody but Buddy realizes that he should retire. As Buddy looks for work in show business, he realizes that the rest of the world has forgotten the golden days of Buddy Young, and that there just may not be room in the business for an old comic like himself.

From the biggest festival to the smallest church social, Kenny Smyth delivers porta-loos to them all. Kenny tackles every septic challenge that comes his way, culminating in a visit to the International Pumper and Cleaner Expo in Nashville Tennessee - or as Kenny affectionately calls it, "Poo HQ".

In her first-ever HBO solo special, Sarah Silverman takes the stage for an evening of adults-only stand-up comedy. Taped live in front of an intimate audience of 39 fans at Largo, a music and comedy club in Los Angeles, Sarah Silverman: We Are Miracles features Silverman taking aim at such subjects as cell-phone porn, crazy religions, specialty deodorants, terrible roommates, eyebrow waxing, her 19-year-old dog, Obama and Republicans, having babies, Pixar movies, the miracle of existence, and more.