Blood Dolphin (9pm, Animal Planet) - In the Solomon Islands, Ric and Lincoln investigate an allegedly reformed dolphin dealer as they continue their discussions with the natives involved in dolphin hunting.

20/20 (10pm, ABC) - "20/20" examines the 1985 murder of US Air Force wife Kathryn Eastburn and her two young daughters in Fayetteville. MSgt Timothy Hennis was convicted of the murder in 1986 but the conviction was overturned and Hennis was acquited in a second trial in 1989. Then, the emergence of DNA evidence brought the case back to military court. The show includes interviews with Eastburn's father and her surviving daughter, local journalists, and one of Hennis's lawyers.

Flashpoint (10pm, CBS) - The SRU's actions are called into question after the team responds to a shooting at a museum gala. The lead investigator focuses her probe on Parker in particular.

Haven (10pm, Syfy) - Duke helps Audrey investigate the Colorado Kid case. Also, Nathan and Audrey track a killer loose in Haven, but they find a woman at each crime scene who claims to be trying to prevent the deaths she has foreseen.

Real Time with Bill Maher (10pm, HBO) - Bill Maher returns from hiatus to resume his eighth season with guests Jon Hamm, Mark McKinnon, Martha Raddatz, Michael Moore, and Robert Reich. I love any excuse to post a picture of Jon Hamm (left).

Former Flipper trainer Ric O'Barry, the lead activist of the Oscar-winning film "The Cove," has joined forces with his son Lincoln to produce a special three-part series on the horrifying dolphin trade for Animal Planet.

"The Cove" documentary is an incredibly noble but hard-to-watch horror show on mass dolphin slaughters in Japan. In Animal Planet's "Blood Dolphin," the O'Barrys return to Taiji, Japan, the site of "The Cove," and also travel to the Solomon Islands, the nerve center of dolphin slaughters, to once again confront the cultural, political, and economic forces that affect these incredibly intelligent creatures.