“General Hospital” (ABC at 2 p.m.), the soap opera that debuted on April 1, 1963, turns 50. To celebrate, the producers promise many surprises over the next few months.

SERIES PREMIERE: MSNBC has shifted Ed Schultz’s show to weekends, so Chris Hayes lands the 8 p.m. weekday slot with news show “All In With Chris Hayes,” beginning Monday.

RETURNING SHOW: “Real Housewives of Orange County” (Bravo at 8) rolls on with Season 8, and the drama ramps up when Vicki and Tamra are forced to interact after their big fight.

Nick News special “Are We There Yet? Women’s History, Past, Present, and Future” (Nickelodeon at 8) talks about gender equality issues with children and features a discussion led by Linda Ellerbee.

It’s back to high school for “Dancing With the Stars” (ABC at 8) as the series hosts a prom-theme performance episode; and as if that’s not enough competition, viewers will be able to vote for the “Prom King” and “Prom Queen” among the celebs, who can collect extra points.

Blind auditions continue on “The Voice” (NBC at 8) with the contestants trying to get a spot on a team courtesy of Blake Shelton, Shakira, Usher or Adam Levine.

The two-part series “Kind Hearted Woman” (WETA and MPT at 9), which investigates the repercussions of child sexual abuse on Native American reservations, starts as an Oglala Sioux woman deals with life in the wake of a divorce.

SERIES PREMIERE: New docu-series “The Gossip Game” (VH1 at 9) follows seven media personalities in New York City as they cover the urban entertainment beat in the ever-changing journalism industry.

Emma’s betrayal comes to light on “The Following” (Fox at 9) while the FBI gets closer to finding Joe’s followers.

For its milestone 100th episode, “Castle” (ABC at 10) pays homage to “Rear Window,” as Castle witnesses a slaying across the street when he’s stuck at home with a broken leg.

Actor Shia LaBeouf and comedian Jeff Altman are on “Late Show With David Letterman” (CBS at 11:35) along with country trio the Band Perry.

“The Tonight Show With Jay Leno” (NBC at 11:35) hosts actor Matthew Perry, actress Kristen Schaal and features a performance by the Goo Goo Dolls.

Former NBA star Shaquille O’Neal and singer Demi Lovato are on “Jimmy Kimmel Live” (ABC at 11:35).

— Emily Yahr