How the Grinch Stole Christmas! to let out bitter and sorrowful cries, but is confused to hear them singing a joyous Christmas song instead. He is puzzled until it dawns on him that "maybe Christmas, perhaps, means a little bit more" than just presents and feasting. The Grinch's shrunken heart suddenly grows three sizes. The reformed and liberated Grinch returns to the village to give back all of the Whos' Christmas stuff and participate in their Christmas feast. The Grinch first appeared in a 32-line illustrated poem by Dr. Seuss called "The Hoobub and the Grinch," which was originally published in the May 1955 edition
The Grimm Who Stole Christmas percent of all households watching television at that time watched it. With DVR factoring in, the episode was watched by 7.56 million viewers and had a 2.2 ratings share in the 18-49 demographics. "The Grimm Who Stole Christmas" received positive reviews. Kathleen Wiedel from "TV Fanatic", gave a 4 star rating out of 5, stating: "'Tis the season for holiday-themed episodes, and "Grimm" is no exception. This time, Nick and friends were faced with a trio of destructive Christmas gremlins! Though silly and mostly light-hearted, "Grimm" Season 4 Episode 7 had some great moments, too." MaryAnn Sleasman from "TV.com", wrote,