“Wrath of the Titans,” 7 p.m., HBO (2012)
Sam Worthington plays Perseus, who goes to the underworld to rescue Zeus (Liam Neeson) from Hades (Ralph Fiennes).
“Big Brother,” 7 p.m., CBS (new)
A house guest must pack up after the first eviction.
“Castle,” 7 p.m., TNT (repeat)
Sure, it's a repeat, but it's a good one. On the hunt for the man who killed Beckett's mom, the detective and the writer get close while evading a bad guy.
“Family Tools,” 7:30 p.m., ABC (new)
Some pest-control guys bully Jack, and Tony makes matters worse by bugging Jack about it.
“The American Baking Competition,” 8 p.m., CBS (new)
Two bakers are eliminated in the semifinals.
“Franklin & Bash,” 8 p.m., TNT (new)
Our guys defend a fisherman, while Rachel's case involves the wrongful termination of a psychic.
“Futurama,” 9 p.m., Comedy Central (new)
Bender meets his idol — a folk singer who's been in jail dozens of times.
“Ghost Hunters,” 8 p.m., Syfy (new)
The team gets access to a historic mission in San Juan Capistrano, Calif., to investigate strange happenings.