It is time to crown a new king of the kingdom of Bogg, and King Mildew's son, Milo, seems like the best creature for the job. However, Vandred, the king's brother, has other plans, and intends to put his son, Vandal, on the thrown. He challenges Milo, who must prove his worthiness by retrieving the Crown of Bogg and returning it to the kingdom. The crown has been banned from the kingdom for years because it is cursed, but Mildew and Milo are willing to face the risks of the quest in order to keep Vandred and Vandal from assuming control of the kingdom

The Muppets gather to watch their newly-finished big-budget rich-and-famous feature film: a talent agent persuades Kermit the Frog to leave the swamp to pursue a career in Hollywood. On his way there, he meets a bear, a pig, a whatever (his future muppet crew), and some special celebrity guest stars, while being chased by the desperate owner of a frog-leg restaurant!

Featuring unprecedented access to Jim Henson's personal archives, filmmaker Ron Howard brings us a fascinating and insightful look at a complex man whose boundless imagination inspired the world.