Community: Former tween idol Hilary Duff guest stars on a new episode of the college-set sitcom (8 p.m. NBC).
30 for 30: Disgraced track star Marion Jones is profiled in this encore episode (8 p.m. ESPN2).
First Ascent: Climbers set their sights on Yosemite's Half Dome and other hard-to-reach high points in this series (9, 9:30, 10 and 10:30 p.m. Travel).
Oddities: A mummified cat is just one of the unusual objects featured in the debut of this series (9:30 p.m. Discovery).
Ancient Aliens: Did extraterrestrials have a hand in human evolution? That question is probed in this new episode (10 p.m. History).
On the Road With Austin & Santino: The reality series featuring the fashion design duo ends its season (10 p.m. Lifetime).
Megadrive: Go off-road and off the rails in the premiere of this new automotive-minded reality series (10:30 p.m. MTV).
Next Stop for Charlie: At his aunt's behest, a young man (Neil Mandt) goes on a globe-trotting search for his wayward cousin in this new series (11 p.m. Showtime).
I Can't Believe I'm Still Single: From Portland to Portland: The series about the romantic misadventures of actor-filmmaker Eric Schaeffer returns for a third season (11:30 p.m. Showtime).
Crank: Jason Statham can't slow down – if he does, he'll die – in this hyperactive 2006 thriller (11 p.m. IFC).
Soccer: The San Jose Earthquakes meet the New York Red Bulls in a play-off matchup (5 p.m. ESPN2).
Hockey: The Kings welcome the Tampa Bay Lightning (7:30 p.m. FSN).