(via Variety)

Monty Python and the Holy Grail is already one of the most highly regard cult comedies of all time. Perhaps this sing-a-long version might bring it into league with the frequent screenings of Rocky Horror Picture Show where people keep coming decked out in costumes.

Coming on to the 40th Anniversary of Monty Python and the Holy Grail, a special sing-a-long version is hitting theaters for a limited theatrical release that encourages those in attendance to not only sign with the musical numbers throughout the movie, but to come dressed up as their favorite character. 

We wouldn’t be surprised at all if a lot of folks try to go as The Black Knight.