FINALE WATCH: The final two contestants are sent to Vegas on the Season 11 finale of “Hell’s Kitchen” (Fox at 8 p.m.), where they must compete in a live cooking challenge, as well as a dinner-service test, before one is crowned champion.

The royal baby craze continues with a pair of specials, kicking off with “A Royal Family: E! News Special” (E! at 8), which goes into detail about the tiny prince’s life as experts and friends of the palace speculate about what it will be like. Later, OWN airs the 90-minute “William, Kate & the Royal Baby” (at 9), looking at Will and Kate’s love story and how they handle being modern royals.

The “Big Brother” (CBS at 9) producers put the competitors’ fate in viewers’ hands; for the first time in years, the audience at home has a say in who could be sent home on the eviction episode.

SERIES PREMIERE: Very athletic couple Sanya Richards-Ross (Olympic gold medalist in track and field) and Aaron Ross (cornerback for the New York Giants) land their own reality show on WE tv, after being featured on the network’s “Platinum Weddings.” On “Sanya’s Glam & Gold” (at 10), Sanya helps run her family’s hair salon in Austin — in the premiere, she takes her relatives on vacation to Jamaica.

Andy and Sam face the awkward task of working together again on “Rookie Blue” (ABC at 10), while the team investigates a missing person and realizes the crime could be connected to a previous case.

It’s a “Saturday Night Live” reunion as Fred Armisen, Jason Sudeikis, Amy Poehler and Maya Rudolph get together on “Hollywood Game Night” (NBC at 10), along with network stars Sean Hayes and Dax Shepard.

RETURNING SHOWS: Adult Swim brings back its comedy block Thursday night, beginning with the fifth season of “Childrens Hospital” (Cartoon Network at midnight), as the doctors are relocated to a clinic on an Army base in Japan. Later on “NTSF:SD:SUV::” (at
12:15 a.m.), the police procedural parody continues to fight crime in San Diego.

Talk-show host Regis Philbin is on “The Late Show With David Letterman” (CBS at 11:35 p.m.), along with ventriloquist Terry Fator.

“The Tonight Show With Jay Leno” (NBC at 11:35) hosts actress Cate Blanchett, actor Michael B. Jordan and country duo Court Yard Hounds.

— Emily Yahr