Actress Valerie Harper (SAM MIRCOVICH/REUTERS)

In case you missed the first season of “Revolution” last year on NBC — which picks up for Season 2 next Wednesday — sister cable network Syfy will air a marathon from 8 a.m. through midnight, running from the fifth episode through the season finale.

FINALE WATCH: It’s the season finale of “Million Second Quiz” (NBC at 8), as the finalists compete against each other in the last round of the Ryan Seacrest-hosted trivia competition to win the cash grand prize.

Jake Gyllenhaal has a movie coming out, so he sits down for an interview with James Lipton on “Inside the Actors Studio” (Bravo at 8), where he talks about everything from his Hollywood family to his close friendship with Heath Ledger.

Judges Simon Cowell, Demi Lovato, Kelly Rowland and Paulina Rubio continue to travel around the country to find the next big singing sensation on “The X Factor” (Fox at 8).

Big fans of “Project Runway” (Lifetime at 9) have their dreams come true as a lucky few appear on the show, and the contestants must create outfits inspired by the fans; designer Erin Fetherston serves as a guest judge.

She made her debut on “Dancing With the Stars” this week, and now Valerie Harper is profiled on the one-hour news documentary “Valerie’s Story: A Meredith Vieira Special” (NBC at 10). Harper, who was diagnosed with a rare, terminal cancer at the beginning of this year, sits down with the former “Today” host to discuss her diagnosis and talk about life with her husband and daughter.

One bride gets creative and requests that guests throw beach balls instead of rice at the end of the ceremony on “Four Weddings” (TLC at 10), while another woman wants her venue to be a beach club.

A group of cooks compete to land an executive chef position at a Mexican restuarant in Las Vegas on “Chef Wanted With Anne Burrell” (Food Network at 10), as Anne challenges them to create a unique taco.

Actress Tina Fey is on “The Late Show With David Letterman” (CBS at 11:35), along with singer Valerie June.

“The Tonight Show With Jay Leno” (NBC at 11:35) hosts actor Tim Allen, NBA player Dwyane Wade and a performance by Fitz and the Tantrums.

Actor James Caan, actress Morena Baccarin and musical guest Grouplove are on “Jimmy Kimmel Live” (ABC at 11:35).

— Emily Yahr