More scheduling changes at fourth-place NBC: Low-rated cult favorite Community returns March 15 in its original home, Thursdays at 8 ET/PT, as 30 Rock slides to 8:30 and Parks and Recreation takes a breather. (Parks returns April 19 at 9:30 once Up All Night completes its run).

New comedy Bent, starring Amanda Peet, will air back-to-back episodes Wednesdays at 9 on March 21, 28 and April 4, temporarily bumping Rock Center with Brian Williams to 10 (Law & Order: SVU goes on hiatus until April 11).

And new hidden-camera series Betty White's Off Their Rockers, along with sitcom Best Friends Forever, will air Wednesdays at 8 starting April 4, after Whitney and Are You There, Chelsea complete their own first seasons.