Wearing matching black horn-rimmed glasses, Rogen and Hill cracked jokes and scoped out their seats in the theater from the stage. Afterward, they met with Stewart in his dressing room.
"It's going to be so weird," Rogen told the show host. "It's so epic."
Stewart chatted with the pair before sending them on their way with a snack.
"Can I offer you a rugula?" he said.
Each actor took one of the cookie-like confections, then headed off.