“It’s the Great Pumpkin, Charlie Brown” (8 p.m., ABC): Come for the blockhead,

“It’s the Great Pumpkin, Charlie Brown” (8 p.m., ABC): Come for the blockhead, stay for Snoopy and the Red Baron.

“Two and a Half Men” (9 p.m., CBS): The 12th and final season of “Two and a Half Men” begins with Walden (Ashton Kutcher) trying to adjust his life priorities after experiencing a health scare on Halloween. Other series returning tonight include “Mom” (8:30 p.m., CBS) and “Elementary” (10 p.m., CBS).

Project Runway All-Stars” (9 p.m., Lifetime): Are you on pins and needles waiting for Season 4 of “Project Runway All-Stars”? The competition kicks off tonight as 14 designers return for redemption — and to talk mess about each other.

TV listings, B6