Whale Wars (9pm, Animal Planet) - Capt. Watson tries to cut off the transfer of a dead whale between Japanese ships, and that leads to a full-speed collision. To see the events that lead up to this dangerous encounter, tune in for the repeat eps at 7pm and 8pm.
Monk (9pm, USA) - Daniel Stern guest stars when Monk investigates the disappearance of a young girl, which could be related to reports of a UFO sighting.
Psych (10pm, USA) - In a plot right out of "Scooby Doo," Shawn and Gus look into a series of strange occurences which are threatening to shut down an Old West tourist attraction. James Brolin guest stars.
Real Time with Bill Maher (10pm, HBO) - Jay Leno stops by "Real Time" to suck the funny out of HBO. I'm kidding! I'm kidding! I kid Jay Leno! I'm sure he'll be hilarious.
Making Over America with Trinny and Susannah (10pm, TLC) - The series debut of a new show featuring the women behind the original (aka British) version of "What Not to Wear."