Entertainment

STARGATE SG-1 Stargate is saying goodbye as the series wraps up a decade on television. Original characters Sam, Daniel and Teal'c (Amanda Tapping, Michael Shanks, Christopher Judge) continue to the end, as the Asgard decides to pass on all its knowledge and technology to the SG-1 team. (N/CC/ TVPG) (1 hr.) (7 p.m. SCI-FI)

GHOST WHISPERER The spirit of a woman who froze to death 20 years ago interrupts Melinda and Jim's (Jennifer Love Hewitt, David Conrad) camping trip. She has a message for her daughter, who wants no part of it. Melinda unearths a secret involving both of them that will help Mom cross over, if she can get the two women to hear it. (CC/HDTV/TVPG) (1 hr.) (7 p.m. Ch. 11)

CRIMSON TIDE This suspenseful 1995 post-Cold War drama stars Gene Hackman as a submarine commander and Denzel Washington as his executive officer. When an unconfirmed order instructs the crew to fire the sub's nuclear missiles, the two go head to head in a tense standoff. (CC) (2 hrs.) (7 p.m. Ch. 27)

SPY KIDS 3-D: GAME OVER Since this ambitious 2003 adventure was meant to be viewed through 3-D glasses, some things may be lost in mere 2-D. It's still fun, though. When young adventuress Carmen (Alexa Vega) is trapped inside a computer game by the villainous Toymaker (Sylvester Stallone), her brother, Juni (Daryl Sabara), launches a rescue mission. (CC) (1 hr. 35 mins.) (7 p.m. DIS)

LENO Kelly Clarkson performs. (N/CC/HDTV/TV14) (1 hr. 2 mins.) (10:35 p.m. Ch. 5)

LETTERMAN NBA commentator Charles Barkley; actor Seth Rogen; Michael Martin Murphey performs. (CC/HDTV/TVPG) (1 hr. 2 mins.) (10:35 p.m. Ch. 11)