Here come the judges
Tell me what you want, what you really, really want. Let's hope it's the return of Mel B, because the former Spice Girl is a new judge on "America's Got Talent" (8 p.m., KARE, Ch. 11). She's joined by Heidi Klum, whose talent is, um, walking?
Southern discomfort
Alligators aren't the only creatures to look out for in the bayou. "Swamp Murders" (9 p.m., Investigation Discovery), a six-part series, looks at how murky waters appear to be the perfect place to ditch a corpse.
Natural gas
The new season of "Bang Goes the Theory" (9 p.m., BBC America) starts off trying to solve our energy crisis. The team looks at how to make homemade fuel alternatives. Insert your own "natural gas" joke here.
Neal Justin
