Dizi Adı: Chuck
Bölüm Adı: Chuck Versus the Masquerade
Sezon/Bölüm: 4. Sezon 16. Bölüm
Yayın Tarihi: 21 Şub. 2011

Valentine’s Day is interrupted when Chuck and the team are sent on a mission to England to protect a reclusive young heiress, Vivian McArthur. Meanwhile, Casey gets an offer from the mysterious Jane Bentley. Back at home, Ellie and Awesome find an unlikely solution to a parenting problem, as Morgan ponders a big move.