Chuck - Season 5 Episode 8 -

Sarah is forced to confront a secret from her past and feels she must do so alone, while Chuck urges her to let him help. When Sarah encounters her original handler, Kieran Ryker (guest star TIM DeKAY – White Collar), she fears that he will harm those closest to her, including her mom (guest star CHERYL LADD – Las Vegas, Charlie's Angels).