BIRKHOFF TELLS NIKITA ABOUT SONYA — Birkhoff (Aaron Stanford) tells Nikita (Maggie Q) that Sonya (guest star Lyndie Greenwood) is Amanda's (Melinda Clarke) mole and not only has Amanda reactivated Sonya's kill chip but she also placed a second mole in Division to keep an eye on her. Nikita, Michael (Shane West) and Ryan (Noah Bean) devise a plan to use Sonya to ferret out Amanda's hiding place and Birkhoff sets a trap for the second mole. Meanwhile, Michael confronts Alex (Lyndsy Fonseca) about her drug use and she begs him not to tell Nikita. Dwight Little directed the episode written by Michael Brandon Guercio.

SAM AND DEAN MEET THEIR GRANDFATHER — Sam and Dean are stunned when a man who claims to be Henry Winchester (guest star Gil McKinney), their grandfather, suddenly appears in their hotel room demanding to know where he can find John Winchester. Henry has time-traveled to stop a demon named Abbadon (guest star Alaina Huffman) and was looking for John’s help. Through Henry, Sam and Dean learn more about their father and the Winchester blood line. Serge Ladouceur directed the episode written by Adam Glass.

JONATHAN BENNET AND JAMES CROMWELL STAR - Bud Vogel (James Cromwell) has never talked about his experiences in WWII – until his grandson Kyle (Jackson Bond) discovers the footlocker Bud used in the war. Bud tells Kyle he can pick any three souvenirs, and Bud will tell him the stories behind each one. The mementos tell the story of Bud’s complicated wartime past, and the future that awaits the grown-up Kyle (Jonathan Bennett), as well. The movie was directed by Adrian Vitoria.

TRICK OR TREAT / KELEN COLEMAN (“THE NEWSROOM”) GUEST STARS — With Halloween right around the corner, Zoe (Rachel Bilson) begins to notice some odd occurrences happening in her home. She is shocked to discover that the culprit is George (Scott Porter), but she soon realizes that he may have a sleepwalking issue. Concerned for his safety, they decide to conduct a sleep study, forcing her to cancel her big plans with Wade (Wilson Bethel). Meanwhile, the Mayoral race between Lavon (Cress Williams) and Ruby (guest star Golden Brooks) is close, and AnnaBeth (guest star Kaitlyn Black) comes up with an unusual plan that may help him clinch the election leaving Lemon (Jaime King) feeling uneasy. Joe Lazarov directed the episode written by Veronica Becker and Sarah Kucserka.

THE GIRLS PACK THEIR BAGS FOR A COLLEGE ROAD TRIP – On the way to their Palm Springs destination, the models make three pit stops where they will be challenged to take photos of themselves doing “random acts of modeling.” The winner gets to host her own segment on NYLONMag.COM. Exhausted and grungy from their long day, the girls are caught off guard for a down-and-dirty photo shoot taken at random locations around their kitschy motel.