Who Do You Think You Are (8pm, NBC) - With little knowledge about her mother's family, country singer Reba McEntire does research to see which of her ancestors was the first to set foot in America. Her search brings her to Raleigh, where she discovers an ancestor who was a prominent member in the community. According to NBC, Reba's discovery in Raleigh is connected to "one of the darkest periods in American history." As Reba continues her search, she learns of her ancestor's heartbreaking journey to America.
Shark Tank (8pm, ABC) - A guy with a clothing item he describes as "revolutionary" calls Apple co-founder Steve Wozniak for advice. Also, a follow-up on a South Carolina woman's homemade Daisy Cakes (from Season 2).
The Break (8pm, MTV) - Three young people who are homeless are followed as they work to rebuild their lives with help from homeless advocate Anne Mahlum, founder and CEO of the Back on My Feet nonprofit organization.
A Gifted Man (9pm, CBS) - In the Season 1 finale, Michael discovers a patient at the clinic has a special link to Anna. Meanwhile, Michael gets reacquainted with an old friend who has been diagnosed with a rare illness.
Portlandia (10pm, IFC) - Carrie and Fred try to get the mayor to ban the Olympics.
Blue Bloods (10pm, CBS) - A high-profile reporter and close friend of Frank (but not the former girlfriend from Season 1) is assaulted while she's out with him, and Danny and Jackie search for the would-be attacker. Meanwhile, Jamie's undercover case reaches a critical stage.

Who Do You Think You Are (8pm, NBC) - Actor Blair Underwood traces his lineage in a genealogical journey that includes a DNA test, a trip to Africa, and articles that reveal the hardships and unforeseen triumphs of his ancestors. Meredith College history professor Dr. Dan Fountain (right) was consulted and worked with Underwood for the episode. Read
scrutinize some of the crazy happenings at the Buy More.
Grimm (9pm, NBC) - Nick and Hank investigate a breaking-and-entering case that leads them to a mysterious family with a cultural heritage of blurring the line between right and wrong. Nick also asks his blutbad buddy Monroe to help safeguard Aunt Marie.
Chuck (8pm, NBC) - The fifth and final season opens with Chuck (Zachary Levi, left) adapting to changes, such as dealing with an unlikely new Intersect and fronting his freshly minted spy-for-hire business. Carmichael Industries takes on a wealthy thief (Mark Hamill) and a sly investor (Craig Kilborn). Meanwhile, Morgan and Chuck team up to give Sarah a special surprise, and Jeff and Lester launch yet another scheme.
A Gifted Man (8pm, CBS) - Michael is surprised to see an ex-football star whom he once treated now getting help at the clinic because he's homeless. Meanwhile, Michael deals with a case of post-traumatic stress disorder at his practice.
Nikita (8pm, CW) - Nikita is shocked to learn that her old Division partner whom she thought was dead is alive, having escaped from a Turkish prison. Nikita and Michael go to Turkey to fidn her before Alex and Roan get to her on orders from Amanda.
Fringe (9pm, CBS) - Two 12-year-old bullies are found dead after tormenting another boy, but the abnormally rapid decomposition of their bodies leads to the Fringe team's discovery of a strange entity and a trail of more victims. Meanwhile, Walter's hallucinations are beginning to take their toll.
Fringe (9pm, Fox) - The Fringe teams work together when a serial killer "over there" builds an impressive body count. But the case takes an interesting turn after the murderer's alternate history "over here," a forensic psychologist, is brought into the investigation, which opens up the possibility of transporting civilians from one universe to the other.
