Kevin Can Wait Kevin and Donna’s (Kevin James, Erinn Hayes) pretend they aren’t in on Halloween, to avoid trick-or-treaters. Kevin James’ daughters Sienna and Shea guest star as costumed candy-seekers. 8 p.m. CBS
Supergirl Kara and Alex (Melissa Benoist, Chyler Leigh) discover an alien fight club while probing a murder. 8 p.m. KTLA
Dancing With the Stars The remaining couples perform Halloween-themed routines. 8 p.m. ABC
Gotham Mad Hatter uses a chemical to send Gordon (Ben McKenzie) on an “It’s a Wonderful Life”-like...