Monday’s TV highlights

SERIES

Gossip Girl: Blair’s (Leighton Meester) bachelorette party will be a night to remember in this new episode. Chace Crawford, Ed Westwick, Blake Lively and Penn Badgley also star (8 p.m. KTLA).

Pretty Little Liars: Toby (Keegan Allen) continues pursuing Spencer (Troian Bellisario), who realizes there’s only one way to end it and keep him safe. Shay Mitchell also stars in this new episode (8 and 10 p.m. ABC Family).

Hart of Dixie: Zoe (Rachel Bilson) researches her family history and discovers she’s eligible to join the Bluebell Belles, to the dismay of Lemon (Jaime King), who engineers a humiliating initiation ritual to keep her out in this new episode (9 p.m. KTLA).

Alcatraz: In this new episode, Rebecca (Sarah Jones) and her team try to stop Kit Nelson (Michael Ecklund), a kidnapper from the past. Jorge Garcia, Sam Neill and Parminder Nagra also star in this new episode (9 p.m. Fox).

The Lying Game: Ethan (Blair Redford) puts up a facade to protect Emma (Alexandra Shando) when she’s on the outside looking in at the country club’s Black and White Ball in this new episode (9 p.m. ABC Family).

The Real Housewives of Beverly Hills: In the season finale of this troubled unscripted series, Pandora pulls out all the stops to throw a glamorous wedding while Taylor reveals details about her own turbulent marriage (9 p.m. Bravo).

First Week In: An attorney is locked up for a Contempt of Court charge in this new episode (9 p.m. Discovery).

Cake Boss: Next Great Baker: The final four create cakes celebrating Miss USA, Alyssa Campanella (9 p.m. TLC).

The Layover: Tony stays in Los Angeles for 48 hours and finds his favorite restaurant (9 p.m. Travel).

American Masters: The season premiere examines the life and artistry of activist and singer-songwriter Phil Ochs, whose songs are inseparable from the anti-Vietnam War movement. Joan Baez, Pete Seeger and Sean Penn are among those commenting (10 p.m. KOCE).

SPORTS

Hockey: The St. Louis Blues visit the Detroit Red Wings (4:30 p.m. VS); the Ottawa Senators visit the Kings (7:30 p.m. FSN).