NCAA Tournament (7pm, CBS and TBS) - The Sweet 16 tourney games continue. Of local interest, UNC plays Marquette at 7pm on CBS and Florida State takes on Virginia Commonwealth on TBS around 10pm.
Who Do You Think You Are (8pm, NBC) - Actor Steve Buscemi ('Boardwalk Empire') investigates his family tree to unearth information about possible rogues and rebels in his genealogy. He travels to Philadelphia and Virginia looking into secrets about his great-great-grandfather.
Shark Tank (8pm, ABC) - ABC calls this the second season premiere, but there was a new episode on Sunday night too, so color me confused. Billionaire Mark Cuban joins the sharks (he joined them on Sunday, too!) and there's an update on Season 1's granola gourmet.
Fringe (9pm, Fox) - Not to give too much away, but life in the alternate universe gets difficult for Olivia.
Real Time with Bill Maher (10pm, HBO) - Bill's guests are actress Ellen Page, NYT columnist David Brooks, Daily Beast editor Tina Brown, and former Pennsylvania governor Ed Rendell.