An actor dressed like Chevy Chase in National Lampoon's Christmas Vacation stands on stage, surrounded by his cast-mates, plugging two large extension cords together while gritting his teeth. Above him, a screen plays a scene from the movie of Chase doing the exact same thing.

Jeremiah Chechik has attended plenty of screenings of his 1989 comedy directorial debut, National Lampoon’s Christmas Vacation. But the upcoming shows in his hometown of Montreal will be unlike anything he’s seen before.