Kareem Abdul-Jabbar is one of the celebrity contestants on “Splash.” (Kelsey McNeal/ABC)

SERIES PREMIERE: You might hear about “Splash” (ABC at 8 p.m.) and think, “Wait, I already saw the celebrity diving show.” Well, we’re here to inform you that was the other competitive celebrity diving series, and now this new one kicks off Tuesday night. In this one, 10 celebs — Kareem Abdul-Jabbar, Kendra Wilkinson, Keshia Knight Pulliam, etc. — train with diving star Greg Louganis and attempt scary tricks.

FINALE WATCH: The teen mystery drama “Pretty Little Liars” (ABC Family at 8) has taken some dark and disturbing twists, but this season went to a creepier place, complete with Spencer’s meltdown. As the show wraps up Season 3, Spencer tries to tell everyone she’s fine, but her friends are skeptical.

Post-“30 Rock,” Tina Fey sits down with James Lipton for an interview on “Inside the Actors Studio” (Bravo at 8).

Backdoor pilot alert — CBS tests the water for an “NCIS: Los Angeles” (CBS at 9) spinoff, as John Corbett and Kim Raver guest-star as members of NCIS: Red Team, a mobile team of agents who travel around solving crimes.

SERIES PREMIERE: The four-part docu-series “How We Invented the World” (Discovery at 9, 10) takes a look at inventions that have changed the way people live, starting with cellphones and skyscrapers.

RETURNING SHOW: New episodes of “Oprah: Where Are They Now?” (OWN at 10) kick off with a look at how Dennis Rodman, Gennifer Flowers and Nadya Suleman (“Octomom”) are doing.

FINALE WATCH: BET wraps up the first seasons of “Real Husbands of Hollywood” (at 10), as Boris, Duane and their wives double-date, and “Second Generation Wayans” (at 10:30), in which the group meets a potential film investor.

SERIES PREMIERE: Extreme animal specialist John Brennan has made a career of his ability to capture, rescue and relocate dangerous animals, so it’s only natural that he legally changed his name to “UrbanTarzan.” And now, he gets a reality show out of it as “Urban Tarzan” (Spike TV at 10:30) follows him through tricky animal situations.

Actress Jenna Fischer and basketball player Dennis Rodman are on “The Tonight Show With Jay Leno” (NBC at 11:35), along with a performance by Black Prairie.

“The Late Show With David Letterman” (CBS at 11:35) hosts actor Bill Cosby, American skier Mikaela Shiffrin and musical guests Garbage.

Actor Gerard Butler stops by “Jimmy Kimmel Live” (ABC at 11:35), along with actress Vanessa Hudgens.

Emily Yahr