Adventures in Wonderland (1992)

S1E39 The Bunny Who Would Be King

Rabbit DeNiro, the famous movie star, arrives in Wonderland to visit his brother, the White Rabbit, whom he believes to be the King. With the help of the White Rabbit's friends, they manage to elevate him to the throne, and everything appears to be going smoothly. However, their ruse is threatened when the Queen makes her unexpected return.