Adapted from the popular video game, Tak and the Power of Juju follows teenage jungle boy Tak and his fellow Pupununu villagers as they face various wacky challenges. They are sometimes helped, sometimes hindered by the strange and mystical Jujus, magical beings with whom Tak has a bond. With computer-generated animation and top-notch voice talent (including Maurice LaMarche, John DiMaggio and Patrick Warburton), Tak is colorful, chaotic fun (8 p.m.-9 p.m., Nickelodeon).
SET FOR LIFE -- 8 p.m.-9 p.m., WMAR, Channel 2 / Boston tour guide and a California grandmother play for monthly paychecks potentially worth millions. ABC.
WWE FRIDAY NIGHT SMACKDOWN -- 8 p.m.-10 p.m., WNUV, Channel 54 / MVP and Matt Hardy team up to compete for the tag team titles. CW.
20/20 -- 10 p.m.-11 p.m., WMAR, Channel 2 / A retired state trooper shoots his wife, her lawyer and himself during an ugly divorce battle. ABC.
MY GYM PARTNER'S A MONKEY -- 8:30 p.m.-9 p.m., Cartoon Network / Adam and Jake are given eggs to care for.
SURVIVORMAN -- 9 p.m.-10 p.m., Discovery / Host Les Stroud travels through the arid plains of South Africa.
THE SOUP -- 10 p.m.-10:30 p.m., E! / Host Joel McHale pokes fun at the week's best pop culture moments.
HUMAN WEAPON -- 10 p.m.-11 p.m., History / Hosts Jason Chambers and Bill Duff travel to Israel to study the hand-to-hand combat systems of the Israeli Commandos.
THE VIEW -- Performer Marc Anthony; actress Jo Anne Worley. (11 a.m., WMAR-2)
THE TONIGHT SHOW WITH JAY LENO -- Actor Seth Green; TV personality Mike Rowe; Collective Soul performs. (11:35 p.m., WBAL-11)
LATE SHOW WITH DAVID LETTERMAN -- Actress Amy Sedaris; actor Will Arnett. (11:35 p.m., WJZ-13)
Critic's Pick-- Dateline NBC takes a look back at the life of Princess Diana 10 years after her death in a car crash in a Paris tunnel (9 p.m., WBAL, Channel 11).