Iron Man Robert Downey Jr. stars as boozy, womanizing billionaire and inventor Tony Stark, whose abduction by terrorists leads him to build a high-tech, gadget-loaded metal suit and embark on a crusade to save the world and boost his healthy ego a bit more. Single DVD, $29.99; two-disc DVD and Blu-ray sets, $39.99 each. (Paramount)

Forgetting Sarah Marshall The latest installment from the Judd Apatow comedy machine elevates "How I Met Your Mother" co-star Jason Segel to lead status. Segel plays a chump newly dumped by his girlfriend (Kristen Bell), a TV star vacationing with her new beau at the same resort as our hero. Single DVD, $29.98; three-disc DVD set, $34.98; Blu-ray, $39.98; DVD comedy collection, $64.98; Blu-ray comedy collection, $89.98. (Universal)

Taxi to the Dark Side The Academy Award winner for best documentary of 2007 offers a harsh examination of U.S. policies and practices on torture and interrogation in Iraq, Afghanistan and Guantanamo Bay. DVD, $27.98. (Image)

An Autumn Afternoon The final film from Japanese master Yasujiro Ozu features his frequent on-screen collaborator Chishu Ryu as a widower bidding farewell to his grown daughter, whom he is gently pushing from the nest with an arranged marriage. DVD, $29.95. (Criterion)

TV on DVD

My Three Sons: The First Season, Volume One

My Name Is Earl: Season 3

Numb3rs: The Fourth Season

Beauty and the Beast: The Complete Series

Sports Night: The Complete Series -- 10th Anniversary Edition

Adam-12: Season Two

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