Before Phelps opens up on Lochte, get your feet wet with the Duplass brothers’ low-budget/high-quality sports comedy about two flabby brothers drowning in sibling rivalry. Bachelor Jeremy takes on family man Mark in 25 homemade Olympic events; we’re talking arm wrestling, laser tag, and underwater breath holding. It made a splash at SXSW, and the Duplasses continue to have a ripple effect on independent film. It’s like: Arrested Development meets The Ringer. Take: A good sport. Premieres: Today