Betty White's 90th Birthday: A Tribute to America's Golden Girl (8pm, NBC) - Stars salute Betty White as she celebrates her 90th birthday. The tribute, which was taped on January 9, includes music performances and remarks from White, who shares memories and offers her thanks. Some of the guests offering their regards are Mary Tyler Moore, Carol Burnett, Carl Reiner, Amy Poehler, Ed Asner, and Gavin McLeod.
How I Met Your Mother (8pm, CBS) - Lily and Marshall move to the suburbs and the rest of the gang deal with their departure by hitting a strip club.
Alcatraz (8pm, Fox) - The 2-hour opener of a new drama in which prisoners who mysteriously vanished decades ago from Alcatraz prison reappear in the present. Tonight, a task force comes together when a sniper starts targeting young victims. It's good! WATCH IT! My longer review.
The Bachelor (8pm, ABC) - Ben returns to his other hometown, San Francisco, with the 16 remaining girls and goes skiing with 11 of them. The big event tonight is the cocktail party crasher -- Ben's former girlfriend who wants to join the competition. The other girls are not amused. There's a lot of crying.
Being Human (9pm, Syfy) - In the Season 2 premiere, a vampire power vacuum weighs on Aidan, Sally's powers grow stronger, and Josh and Nora try to live "normal" lives.
Betty White's Off Their Rockers (9:30pm, NBC) - A sneak peek at the hidden-camera comedy series featuring Betty White and a group of seniors pulling pranks on unsuspecting folks. It's "Punk'd" for the blue-hair set.
Lost Girl (10pm, Syfy) - The debut of a new supernatural drama about a seemingly ordinary girl who suddenly finds out she's a succubus.
The Bachelor (8pm, ABC) - It's back. California winemaker Ben Flajnik got rejected last season, so he's ordering up more manufactured public romance (and fabulous free trips!). One of the hopeful bachelorettes is
Charlie Brown Christmas (8pm, ABC) - The 1965 Peanuts classic in which Charlie Brown laments the commercialization of Christmas. Jazz pianist Vince Guaraldi provides the music.
Enlightened (9:30pm, HBO) - A bad dream helps Amy face her feelings for Levi, but she also bonds with Tyler over loneliness issues after Dougie gets a promotion and Amy tries to set him up on a date with Krista's coworker.
How I Met Your Mother (8pm, CBS) - The friends recall their memories of Hurricane Irene and Barney tries to get out of wearing the ducky tie.
Dancing with the Stars (8:30pm, ABC) - Tonight's 90-minute episode airs at a different time (8:30 instead of 8) and features couples performing dances with Halloween themes.
Dancing with the Stars (8pm, ABC) - For week six, the contestants dance to Broadway songs. Kristen Chenoweth performs.
Terra Nova (8pm, Fox) - Jim and Taylor try to save the colony from a legion of pterosaurs. Meanwhile, Elizabeth learns that a former flame is also living in Terra Nova, and Skye tries to help Josh adjust to his new home.
How I Met Your Mother (8pm, CBS) - The seventh season opens with two new back-to-back episodes. The mystery wedding prompts the friends to reminisce about things. Also, Marshall gets his dream job but is terrified videos from his past will crush his hopes.
Castle (10pm, ABC) - Are we really worried that Beckett didn't survive last season's gunshot cliffhanger? No. What we really want to know is if she heard Castle tell her he loves her after she was shot. In addition to the personal drama, there's the hunt for the sniper who tried to kill her. Also, there's a new by-the-book captain in charge (Penny Johnson Jerald, "24"), and she's not too fond of Castle hanging with the cops.
As far as cliffhanger finales go, the "How I Met Your Mother" capper to season six offered slightly more suspense than your average stumble off a stepladder.