Peanuts specials (8 p.m., ABC): It’s Valentines Day, which means poor Charlie Brown will once

Peanuts specials (8 p.m., ABC): It’s Valentines Day, which means poor Charlie Brown will once again be keeping a vigil by the mailbox, hoping for some kind of love note from the sweet little red-haired girl, his ongoing secret crush. The Peanuts gang appears in back-to-back vintage specials tonight.

“Before I say ’I Do’ “ (9 p.m., Hallmark Channel): A man ends up 10 years in the past to find romance.