8 p.m., ABC
As usual, the contestants participate in a wide variety of amusing, ambiguously titled challenges, like Mid-Evil Wipe-a-Lot, Overdrive, and Circle Challenge.
8 p.m., FOX
Re-watch my favorite episode, "The Rhodes Not Taken," guest-starring Kristin Chenoweth
as April Rhodes, a washed-up former glee club star whom Will (Matthew Morrison
) enlists to lift the kids' spirits.
9 p.m., FOX
One of the top 9 dancers is voted off! Plus, the cast of Cirque du Soliel's "Viva Elvis" show performs "Return to Sender."
10 p.m., COMEDY
Leela discovers that an embarrassing video of her is circulating online—and that Fry is to blame for the leak.
11:35 p.m., CBS
Dave welcomes Twilight
star Taylor Lautner
Also on the airwaves...
100 Questions, 8:30 p.m., NBC
Rookie Blue, 9 p.m., ABC
Burn Notice, 9 p.m., USA
Bethenny Getting Married?, 10 p.m., BRAVO
Ace of Cakes, Season 9 premiere, 10 p.m., FOOD
Penn and Teller: Bullsh**!, 10 p.m., SHO
Royal Pains, 10 p.m., USA
The Green Room with Paul Provenza, 10:30 p.m., SHO
ATP Tennis: Wimbledon men's quarterfinals, women's semifinals
What are you watching tonight?
Follow TV.com writer Stefanie Lee on Twitter: @StefAtTVDotCom