CHUCK -- Pictured: (l-r) Gary Cole as Jack Burton, Joshua Gomez as Morgan Grimes, Zachary Levi as Chuck Bartowski, Yvonne Strahovski as Sarah Walker -- Photo by: Mike Ansell/NBC

Will there be a wedding on Chuck (Mondays, 8:00 p.m. ET/PT) at the end of this season? This year of the series has finally seen the engagement of Chuck Bartowski (Zachary Levi) and Sarah Walker (Yvonne Strahovski) come to fruition after an extended courtship.

NBC has been teasing for weeks about the upcoming wedding – but the stars of Chuck, Levi, Strahovski and Joshua Gomez (Morgan Grimes on the series) explain in the video below that they’ve been sworn to secrecy about the outcome of the wedding.