Smallville - Season 10 - Eps 12: Collateral
Clark, Oliver, Lois and Dinah are released by the VRA after being captured at Hawkman's funeral, but each of them have flashbacks of Chloe holding them against their will. When Chloe returns, Dinah warns the others that Chloe may now be a traitor. Oliver dismisses her concerns, but Clark is unsure if he can trust Chloe after she disappeared without an explanation.
About Smallville

Title: Smallville
First Air Date: 2001-10-16
Last Air Date: 2011-05-13
Status: Ended
Rating: 8.205/10 (from 4153 votes)
Language: EN
Seasons: 11
Total Episodes: 216
Network: The WB The CW
Genres: Sci-Fi & Fantasy, Action & Adventure, Drama
Production Companies: DC, Warner Bros. Television, Tollin/Robbins Productions, Millar Gough Ink
Synopsis
The origins of the world’s greatest hero–from Krypton refugee Kal-el’s arrival on Earth through his tumultuous teen years to Clark Kent’s final steps toward embracing his destiny as the Man of Steel.
Cast

Tom Welling
Clark Kent

Erica Durance
Lois Lane

Cassidy Freeman
Tess Mercer

Justin Hartley
Oliver Queen