'Pretty Little Liars'
World's most untrustworthy older sister Melissa Hastings tells Spencer more about what happened the night of Ali's disappearance, but she's probably lying, right? She is pretty sneaky.
8 p.m., ABC FAMILY
Watching this game show is equal parts funny and frustrating, as contestants struggle to answer painfully simple questions under the pressure of time and sarcastic mocking from the host.
9 p.m., GSN
'The Late Show with David Letterman'
Your celebrity boyfriend Joseph Gordon-Levitt will appear. It's OK to watch his adorable lip syncing performance from Jimmy Fallon's show to prepare yourself.
11:35 p.m., CBS
Tonight's contestants are food truck and cart operators. They'll face a variety of challenges, but sadly it does not appear that any of them involve preparing food while inside a moving food truck. Missed opportunity!
11 p.m., FOOD NETWORK