So You Think You Can Dance (8pm, Fox) - Season 10 begins with the first round of auditions. Audition cities this season include Austin, Boston, Detroit, Memphis and Los Angeles. Joining Mary Murphy and Nigel Lythgoe as guest judges throughout auditions are Minnie Driver, Jesse Tyler Ferguson, Wayne Brady, All-Star tWitch and Adam Shankman.
NCIS (8pm, CBS) - The future of the agency is threatened as the 10th season ends. An international manhunt for Eli David's killer turns into a federal witch hunt against Gibbs (Mark Harmon, at left with Cote de Pablo) and his team for their use of unconventional methods.
NCIS: Los Angeles (9pm, CBS) - Season 4 ends with a nuclear explosion in the Pacific Ocean. The event reignites a search for stolen nuclear weapons and leads Hetty to shuffle partnerships.
New Girl (9pm, Fox) - In the Season 2 finale, Jess and Nick make a decision about their relationship. Meanwhile, Schmidt and Winston plan to sabotage Cece's wedding, but a surprise announcement throws an accidental wrench into the plans.
The Mindy Project (9:30pm, Fox) - The first season ender has Mindy deciding to go on a volunteer missing to Haiti with Casey, so Danny and his ex-wife throw them a spectacular going-away party.
Frontline: Never Forget to Lie (10pm, UNC-TV) - Filmmaker Marian Marzynski attends a Warsaw meeting of fellow Holocaust survivors, where he and others recall the horrors they endured as children.
Grimm (10pm, NBC) - There might be zombies in Portland when Nick and Hank investigate suspects who are turning up dead -- for the second time.
Golden Boy (10pm, CBS) - They're calling this the Season 1 finale but don't hold your breath for "Golden Boy" to return (Updated: Yes, "Golden Boy" was canceled.). Tonight, Clark is relegated to desk duty and tries to solve a cold case from Owen's past.
Best in TV (9pm, ABC) - Barbara Walters hosts a two-hour special recounting the greatest TV shows of our time, as determined by an ABC News-People Magazine poll.
The New Normal (9:30pm, NBC) - Shania tries to adapt to her new surroundings and Rocky believes she has been misbehaving. Also, David and Bryan reflect on their first meeting and Jane discovers something disturbing in their room.
Haunted Collector (9pm, Syfy) - In the second season finale, the team investigates claims of paranormal occurrences in Hawaii, including the Iao Theater in Maui.
Oh, Sit! (8pm, CW) - If I told you The CW has a new competition reality series based on the game of "musical chairs," you'd probably say I was joking. Sadly, you'd be wrong. It's real and it's hosted by Jamie Kennedy. I'm thinking, given the inexplicable popularity of ABC's "Wipe Out," with which "Oh, Sit!" shares some similarities, it could be a sleeper hit.
Duets (8pm, ABC) - The premiere of yet another singing competition. This one previously had Lionel Richie attached, but after news broke that Richie
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Our "So You Think You Can Dance" correspondent Lenni G on last night's finale: 
"So You Think You Can Dance" correspondent Lenni G tells us about part one of the season's two-part finale (and also, what she thinks about the planned "Dirty Dancing" remake):
So You Think You Can Dance (8pm, Fox) - The winner for Season 8 is chosen in part two of the season finale.