Gannicus Returns to 'Spartacus: Vengeance,' and Other TV to Rage About Tonight

Dustin Clare returns as Gannicus in Spartacus: Vengeace's "Libertus"Welcome to Friday, February 24th!  Your round of weekly TV concludes as Dustin Clare returns to reprise his Spartacus: Gods of the Arena character Gannicus on Spartacus: Vengeance, and the mystery of the Obervers is finally revealed in a spectacular all-new Fringe!

Did you check out Sheldon's big haircut debacle on last night's The Big Bang Theory, or were you unable to be swayed from 30 Rock's celebration of the magical 'Leap Day?'  Read on, for your guide to how to kick off the weekend right!

Time to set your DVRs, plan out your weeks, and curl up at night with the best shows on the best night of the week for TV, and TVRage has your guide to everything you need to watch tonight!

A Gifted Man - "In Case of Letting Go" - Sons of Anarchy's Maggie Siff guest stars as Michael's high school sweetheart with an irreversible condition, while Zeke learns that his best friend's cancer has returned.  CBS, 9:01 - 10:00pm, ET

Grimm - "Last Grimm Standing" - A double homicide leads Nick to a creature world fight club, where he draws on his inner strength to defend Monroe in the arena.  NBC, 9:00 - 10:00pm, ET

Fringe - "The End of All Things" - The mystery of the Observers is finally explained as Peter Bishop races against time to recover Olivia from her kidnapping at the hands of David Robert Jones (Jared Harris), and turns to an unlikely source for help.  FOX, 9:00 - 10:00pm, ET

Blue Bloods- "The Life We Chose" - An undecover detective and family friend is murdered, leading Danny on a relentless search for the killer.  CBS, 10:00 - 11:00pm, ET

Spartacus: Vengeance - "Libertus" - Dustin Clare returns to the arena as Gannicus, while Spartacus tries to free Crixus and Oenomaus from Roman captivity.  Starz, 10:00 - 11:00pm, ET

Merlin - "Lamia" - Merlin travels to a distant village where a mysterious illness plagues the inhabitants, but quickly discovers that something more sinister is in the air.  Syfy, 10:00 - 11:00pm, ET

Portlandia - "Feminist Bookstore's 10th Anniversary" - Laverne & Shirley star Penny Marshall and NBC player LaMarcus Aldridge interrupt the 10th anniversary festivity of Portland's feminist bookstore.  IFC, 10:00 - 10:30pm, ET

What will YOU be watching?