"What's Happening!!" (6 a.m., TV Land): The 1970s sitcom returns in a big way -- with a 48-hour marathon in preparation for weeknight showings at 11, starting Monday. The marathon episodes from 3 to 6

"What's Happening!!" (6 a.m., TV Land): The 1970s sitcom returns in a big way -- with a 48-hour marathon in preparation for weeknight showings at 11, starting Monday. The marathon episodes from 3 to 6 a.m. both days will be from the 1980s syndicated sequel "What's Happening Now!!"
"Before the Dinosaurs" (7 p.m., Discovery Channel): Dinosaurs seem to get all the attention, but of course they weren't the only creatures to flourish and eventually disappear. This program looks at some of their lesser-known predecessors.
"Meet the Fockers" (8 p.m., HBO): This 2004 follow-up to "Meet the Parents" met the fate of many sequels, doing all right at the box office but leaving the critics far less amused than the original did. Robert De Niro and Ben Stiller return as the mismatched soon-to-be-in-laws, and Dustin Hoffman and Barbra Streisand play Stiller's free-spirited parents.
"Blade: Trinity" (9 p.m., Starz): If Halloween left you hungry for more of this sort of horror/comedy mix, here's Wesley Snipes as Blade in his third outing against vampires, joining forces with Jessica Biel and Ryan Reynolds. Among other things, they have to contend with Dracula. Kris Kristofferson and Parker Posey also star.
"George Carlin: Life Is Worth Losing" (10 p.m., HBO): Carlin, still going strong 28 years after his first comedy special on HBO, stars in a new show, live from New York's Beacon Theater. As usual, the material won't fit everyone's sense of humor, as evidenced by his riff on "the feasibility of an all-suicide cable channel."
"Johnny Cash in San Quentin" (8 p.m., CMT): The Man in Black's classic 1969 concert gets paroled for cable television.