ABC News is reporting that Full House star and famous Disney fan John Stamos will be guest-starring in an upcoming episode of ABC’s Galavant.

“We are absolutely thrilled that John Stamos is joining us on the series as Galavant’s longtime rival — a dashing knight who squares off against him once more in a local joust,” executive producer Dan Fogelman told ABC News in a statement. “We’ve wanted John to do an arc on this show since inception.”

Galavant is a musical-comedy series featuring music by Disney Legend Alan Menken. The show is produced by Dan Fogelman was a writer on Bolt and Tangled as well as produced ABC’s The Neighbors.