You, too, can play 'spot the pop singers'

American Gladiators returns and several other series have their season finales on a night notable for all the pop singers turning up in acting roles.

Stuff to watch or record

Who Wants To Be a Millionaire: The Colony's Janelle Newland goes after the big bucks today, and she's not the last North Texan we'll see during the next couple of weeks. 3 p.m., WFAA/Channel 8

Bones:American Idol gets a few plugs (it's like it's on the same network or something!) as Idol alum Ace Young plays a singer who suffers a fate far worse than being voted out of the competition. Fellow Idol grad -- and former University of North Texas student -- Brandon Rogers also appears, and Burleson's Kelly Clarkson gets name-dropped. 7 p.m., KDFW/Channel 4

American Gladiators: A new series of the revived-and-breathing-well competition begins, with the challengers including Dallas' Jeff Davidson and his wife, Ally, who auditioned without Jeff's knowledge. On their wedding day. While wearing her bridal veil. Can we just have a reality show about their house? 7 p.m., KXAS/Channel 5

Antiques Roadshow: The series begins a three-part stint in Las Vegas, where some drawings by Woody Guthrie get appraised. 7 p.m., KERA/Channel 13

Gossip Girl: Dallas-schooled singer Lisa Loeb appears in this episode, but really, it's all about whatever nastiness Georgina (Michelle Trachtenberg) can get up to next, isn't it? 7 p.m., KDAF/Channel 33

How I Met Your Mother: Britney Spears reprises her guest role as Abby, the awkward assistant of Ted's girlfriend, Stella (Sarah Chalke, who unfortunately doesn't appear in this episode). And if you've seen the promos, you know that Abby's alliance with smarmy Barney (Neil Patrick Harris) goes further than either expected. 7:30 p.m., KTVT/Channel 11

House: Limp Bizkit's Fred Durst appears as a bartender in the first half of a two-part season finale in which House (Hugh Laurie), seriously injured in a bus crash, suspects that there's a medical reason the crash took place. 8 p.m., KDFW/Channel 4

American Experience: A series of presidential profiles continues with the two-part FDR: The Center of the World/Fear Itself. 8 p.m., KERA/Channel 13

Samantha Who? In the season finale, amnesiac Sam (Christina Applegate) finds herself getting closer to Todd (Barry Watson), who was her boyfriend before the amnesia got in the way. 8:32 p.m., WFAA/Channel 8

Medium: The season finale includes unforeseen events for Allison (Patricia Arquette), hubby Joe (Jake Weber) and Devalos (Miguel Sandoval). For a show about a psychic, this series sure has its share of unforeseen events. 9 p.m., KXAS/Channel 5

The Hills: It's the third-season finale of the show that made me officially aware I had moved into an older demographic bracket. Hills-oriented programming peppers the MTV schedule before and after the finale, as well. 9 p.m., MTV

Sex: The Revolution: VH1's latest epic documentary spends four nights talking about sex, baby, and how attitudes have changed since the 1950s. 9 p.m., VH1

CSI: Miami: Tom Sizemore guest-stars as a private investigator who causes big problems for Horatio (David Caruso) and his team. I sense a stare-off! 9 p.m., KTVT/Channel 11

The Bachelor: London Calling: The season finale comes down to Matt picking between Chelsea and Shayne. 9:02 p.m., WFAA/Channel 8