"How to Survive a Plague" (September 29)

A chronicle of AIDS activism in New York, David France's acclaimed doc -- which premiered to great acclaim at Sundance earlier this year -- shows how a group of men and women fought against a homophobic establishment to help bring life-saving drugs to America. It's a remarkable part of American history that too few are aware of, and one that comes to theaters exactly 25 years after ACT UP (AIDS Coalition To Unleash Power) -- the activist group at the core of "Plague" -- held its first demonstration.

READ MORE: How To Make a Powerful AIDS Doc: Talking to the Team Behind 'How To Survive a Plague'

Where to Find: Bright House, Cablevision, Comcast, Cox, Insight, Time Warner

"Knuckleball!" (September 18)

The latest documentary from filmmakers Ricki Stern and Annie Sundberg ("Joan Rivers: A Piece of Work") is a funny and deeply engaging look at the legendary subculture of the impossible-to-hit pitch and the folks who have the guts to throw it. Filmed throughout the 2011 baseball season with access from Major League Baseball, the film follows R.A. Dickey (New York Mets, now a 2012 All-Star) and retired 18-year veteran Tim Wakefield (an icon of the Boston Red Sox) and explores the bond between the two active pitchers and their only allies, the five retired knuckleballers: Hall of Famer Phil Niekro, Charlie Hough, Wilbur Wood, Jim Bouton and Tom Candiotti.

Where to Find: Movies On Demand, iTunes, Playstation, XBOX, Amazon, Vudu, Google Play, Charter, Cox, Comcast, Time Warner Cable, Verizon Fios

"Liberal Arts" (September 20)

"How I Met Your Mother" star Josh Radnor proves that his crowd-pleasing directorial debut "Happythankyoumoreplease" was no fluke with his charming follow-up "Liberal Arts." In the romantic comedy, Radnor stars as newly single Jesse Fisher, a university admissions couselor in his mid-thirties living in New York. Upon returing to his Ohio alma mater for a retirement dinner in honor of his favorite English professor (played by Richard Jenkins), Jesse has a chance meeting with 19-year-old Zibby (Elizabeth Olsen) -- an undergrad with a love for classical music, improv and "Twilight." Guess what happens next...

Where to Find: Bright House, Cablevision, Comcast, Cox, Insight, Time Warner