How the Grinch Stole Christmas! pointed out, no one can do it more gaily. The reader is swept along by the ebullient rhymes and the weirdly zany pictures until he is limp with relief when the Grinch reforms and, like the latter, mellow with good feelings." The review for "The Saturday Review of Literature" stated: "The inimitable Dr. Seuss has brought off a fresh triumph in his new picture book... The verse is as lively and the pages are as bright and colorful as anyone could wish." The reviewer suggested that parents and older siblings reading the book to young children would also enjoy its
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,