When we were doing Spelling Bee, on a matinee day ... I was like, 'Oh my God, I'm gonna poop my pants.' And I remember there was a point on stage. Where me and [costar] Sarah Saltzberg, Sarah ...

Jesse Tyler Ferguson is letting it all out — well, most of it anyway — about an icky performance of Broadway musical The 25th Annual Putnam County Spelling Bee, in which he costarred in 2009.