Getting your player ready...
“30 ROCK” 7:30 p.m., KUSA-Channel 9 | Guest appearances by Al Gore, Meredith Vieira and David Schwimmer highlight an episode of Tina Fey’s smart sitcom that makes fun of environmentalists’ sermonizing.
ALSO
“Crime Scene Investigation” 8 p.m., KCNC-Channel 4 | The start of a crossover stunt with “Without a Trace” features Anthony LaPaglia as FBI agent Jack Malone teaming up with William Petersen as Gil Grissom to track a serial killer. Can you tell it’s the November sweeps?
Joanne Ostrow



