The TVLine-Up: TV Worth Watching This Friday

On TV this Friday: A Gifted Man tries to save his Sons of Anarchy sweetheart, Merlin and Spartacus lead important missions, Laverne De Fazio crashes a Portlandia party and more. As a supplement to TVLine’s original features, here are eight programs to keep on your radar.

8 pm Who Do You Think You Are? (NBC) | Onetime L.A. Lawyer Blair Underwood takes a DNA test to unlock the secret of his family’s origin.

Exclusive Grimm Video: Monroe Is Pulled Into a Creatures-Only Fight Club!

9 pm A Gifted Man (CBS) | When Michael’s high school sweetheart (played by Sons of Anarchy‘s Maggie Siff) comes to Holt Neuro with an irreversible condition, he will stop at nothing to try and save her — until, that is, Anna intervenes.

9 pm Fringe (Fox) | David Robert Jones threatens someone close to Olivia to make her do his bidding; Peter enters the consciousness of a comatose Observer to get answers — but is he possibly ready to process what he finds there? (Get the Inside Line to get more scoop.)

9 pm Great Performances: Memphis (PBS) | A televised performance of the Tony-winning musical about a white high-school dropout in 1950s Tennessee who becomes a DJ in order to promote the music of the black singer he’s fallen for.

2012 Renewal Scorecard: What’s Coming Back? What’s Getting Axed? What’s on the Bubble?

10 pm Blue Bloods (CBS) | When an undercover detective — a Reagan family friend — a is killed, Linda and the boys worry about Danny, as his relentless search for the killer takes a toll on his emotional state.

10 pm Spartacus: Vengeance (Starz) | Spartacus leads a bold mission to free Crixus from Roman captivity, but a storied gladiator from the House of Batiatus complicates matters; Ilithyia’s scheming puts her marriage at risk.

10 pm Merlin (Syfy) | Merlin is drawn to a distant village when a mysterious illness strikes — however it soon becomes clear that something sinister is in the air and much more at stake than he originally believed.

10 pm Portlandia (IFC) | The 10th anniversary of Portland’s feminist bookstore is cut short by Laverne & Shirley‘s Penny Marshall and NBA player LaMarcus Aldridge.

Which of the above is must-see for you? Also, hit Comments to offer your own tune-in suggestions.