VIDEO: Sneak Peek - 'The Edge of Mystery' on AGENT CARTER 2-Hour Special Event

On back-to-back episodes of ABC's AGENT CARTER titled "The Edge Of Mystery" and "A Little Song and Dance", Peggy and Sousa propose a trade with Whitney Frost, while the SSR gets help from Howard Stark that may be the key to eliminating Zero Matter.

Then, Peggy desperately tries to save Dr. Wilkes with a dangerous plan to stop Whitney Frost. But Thompson makes a surprising move that could destroy them all. The two-hour episode of “Marvel’s Agent Carter,” airs Tuesday, February 23rd on ABC. Check out a sneak peek below!

“Marvel’s Agent Carter” stars Hayley Atwell (“Captain America: The First Avenger”) as Agent Peggy Carter, James D’Arcy (“Master and Commander: The Far Side of the World”) as Edwin Jarvis, Enver Gjokaj (“Dollhouse”) as Chief Daniel Sousa, Wynn Everett (“The Newsroom,” “Charlie Wilson’s War”) as Whitney Frost, Reggie Austin (“Life Unexpected,” “Devious Maids”) as Jason Wilkes, and Chad Michael Murray (“One Tree Hill,” “A Cinderella Story”) as Chief Jack Thompson.

Tara Butters (“Resurrection”), Michele Fazekas (“Resurrection”), Christopher Markus (Marvel’s “Captain America: The First Avenger,” “Marvel’s Captain America: The Winter Soldier”), Stephen McFeely (Marvel’s Captain America: The First Avenger,” “Marvel’s Captain America: The Winter Soldier”), Chris Dingess (“Men in Trees”), Kevin Feige (“Marvel’s Guardians of the Galaxy,” “Marvel’s The Avengers”), Louis D’Esposito (“Marvel’s Guardians of the Galaxy,” “Marvel’s Iron Man 3”), Alan Fine (“Marvel’s Captain America: The Winter Soldier,” “Marvel’s Thor”), Joe Quesada (“Marvel’s Agents of S.H.I.E.L.D.,” “Marvel’s Avengers Assemble”), Stan Lee (“Spider-Man,” “Iron Man,” “The Incredible Hulk”) and Jeph Loeb (“Marvel’s Agents of S.H.I.E.L.D.,” “Marvel’s Daredevil”) are executive producers. “Marvel’s Agent Carter” is produced by ABC Studios and Marvel Television.