What to Watch on Friday: A Valentine from Charlie Brown and Snoopy

Be My Valentine, Charlie Brown (8 p.m., ABC) – From 1975, Charlie keeps a vigil by the mailbox, hoping for a Valentine from the little red-haired girl. A second feature from 2002 has Charlie still pining for the little red-haired girl, and Snoopy penning the perfect love poem.

Grimm (9 p.m., NBC) – Nick reluctantly asks an old foe for help while investigating an arson that appears to have Wesen origins.

Glee (9 p.m., Fox) – Will takes a stand and teaches a lesson in tolerance to bullies in Vocal Adrenaline, while Rachel discovers her childhood home has been sold.

12 Monkeys (9 p.m., Syfy) – Cole and Dr. Railly battle the Army of the 12 Monkeys after they both discover the Night Room, an off-site, black ops lab that contains the virus that will one day destroy the world.

Shakespeare Uncovered (9:30 p.m., UNC-TV) – The season ends with two new episodes. In the first, Kim Cattrall, who has twice played Cleopatra, meets other famed actresses who have played the Egyptian queen. At 10:30, Joseph Fiennes examines the many permutations of “Romeo and Juliet.”

Blue Bloods (10 p.m., CBS) – A mob informant returns to the city to testify in a case for Erin, and Danny and Baez are tasked with protecting him. Also, Frank and Mayor Pool engage in heated negotiations involving benefits for police officers.

This story was originally published February 13, 2015 at 6:00 AM with the headline "What to Watch on Friday: A Valentine from Charlie Brown and Snoopy."