King for a Day is a 1940 animated short film featuring Gabby released by Paramount Pictures in the Max Fleischer Cartoon series. The cartoon was released on October 18, 1940.
King Little has received a letter which says “Dear Majesty, please be at home today. I have orders to shoot you. Sincerely yours.” He asks Gabby if he would like to be king for a day, and Gabby accepts, not knowing that he may be in danger.