Harry Potter movie marathon (9am, ABC Family) - ABC Family is airing an all-day marathon of Harry Potter movies, beginning at 9am with "Harry Potter and the Sorcerer's Stone." "Harry Potter and the Chamber of Secrets" follows at 12:30pm, and then "Harry Potter and the Prisoner of Azkaban" at 4:30pm, and "Harry Potter and the Goblet of Fire" at 7:30.
Battlestar Galactica (7pm, BBC America) - President Roslin questions the judgement of Adama and Apollo when they put the fleet at risk to find Starbuck, whose Viper disappeared after a run-in with a Cylon patrol. A second episode airs at 8.
Dino Gangs (8pm, Discovery) - The remains of 68 Tyrannosaurus rexes are recovered in the Gobi Desert, and research suggests that the species may have been deadlier than previously thought.
A Fairly Odd Movie: Grow Up, Timmy Turner! (8pm, Nick) - A live-action version of the cartoon "The Fairly OddParents" finds 23-year-old Timmy (Drake Bell) wanting to remain a kid forever so he can hold on to his fairy godparents. However, he considers changing his mind when a grown-up Tootie returns to town.
Carson Nation (10pm, OWN) - Carson travels to Scottsdale, Arizona, where he helps a transgender woman who has lived as a man for 60 years.

Battlestar Galactica (7pm, BBC America) - In case you missed it the first time around, this popular and critically acclaimed Syfy series is re-airing each Saturday night on BBC America. Last weekend we got the mini-series episodes, and tonight the actual series eps begin (two episodes each week, one at 7 p.m. and another at 8). The series stars Edward James Olmos and Mary McDonnell (right). Richard Hatch, from the
If your pop culture knowledge has a big gap in the shape of 'Battlestar Galactica,' you can join me today in watching the repeats on BBC America.
I didn't watch "Battlestar Galactica" yet I was intrigued by the pilot of "Caprica," the prequel to that show that airs tonight on Syfy at 9.

Caprica (9pm, SyFy) - The premiere of a new show which serves as a prequel to Syfy's acclaimed hit, "Battlestar Galactica." "Caprica" is set more than 50 years prior to BSG and tonight's episode focuses on a tragedy that impacts the Graystone and Adama families. Eric Stoltz and Esai Morales (left) star. Our
