Episode 20- Chuck Versus the Family Volkoff A bad day gets worse when Sarah throws Chuck a surprising relationship curveball as the CIA orders Vivian Volkoff assassinated. In order to prove Vivian's innocence, Chuck must put his trust in a dangerous ally her father Alexei Volkoff. Meanwhile, Ellie suspects that her mother is interfering with the search into her father's past.
Episode 19 Chuck Versus the Muuurder Chuck is put in charge of a top-priority mission, but his leadership skills are pushed to the limit when there is a murder in Castle. Meanwhile, Awesome takes on an assignment of his own when Ellie finds a concerning new hobby. Elsewhere, Morgan's managerial leadership is put to the test when his Buy More troops wage war against Large Mart.
Episode 18 Chuck Versus A Team Chuck and Sarah suspect Casey is carrying out private missions; Chuck fears the CIA’s new operatives will render him obsolete; Morgan settles in with a new roommate; Awesome becomes uncomfortable with Ellie’s research.
Episode 17 Chuck Versus The First Bank of Evil Chuck encourages Vivian to get in touch with her inner villain for a mission; Morgan's search for a new roommate has unexpected results.
Episode 16 Chuck Versus the Masquerade 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.
Episode 15 Chuck Versus the Cat Squad Chuck surprises Sarah with her old spy team, The C.A.T. Squad, leading to a mission in Rio. As The C.A.T. Squad works to settle a score with Augusto Gaez, old secrets and grudges come to light. Back at the Buy More, Morgan fends off the advances of Carina, a former flame and frisky member of The C.A.T Squad.
