Blaze and the Monster Machines “The Big Bang Theory’s” Melissa Rauch supplies the voice of a kangaroo in a new episode of this animated series aimed at preschoolers. 11:30 a.m. Nickelodeon
MacGyver MacGyver and Jack (Lucas Till, George Eads) are reunited with former flames (guest stars Tracy Spiridakos and Amy Acker) in this new episode. 8 p.m. CBS
Grimm The fantasy-drama set in Portland, Ore., airs the first of its final 13 episodes; with Silas Weir Mitchell and Bree Turner. 8 p.m. NBC
Crazy Ex-Girlfriend This kooky musical comedy starring Rachel Bloom...