"It was a cool feeling," Romano tells PEOPLE. "We weren't admitting to ourselves, 'I'm a big sitcom star, and you're a big sitcom star,' but we understood this is kind of unique and cool"

This week on "The Backstage Experience" we travel back in time with Tyler Perry as he tells the untold story of The Six Triple Eight, an all-black female battalion that was crucial to delivering mail to the front lines during World War II,