Marvel's Agents of S.H.I.E.L.D.

Season 0, Episode 4

Episode Title: Double Agent: Security Alert

Air Date: 2015-04-01

Overview:

The Mastermind gives the Double Agent his most dangerous mission yet. After a run-in with Brett Dalton (Grant Ward), the set is put on lockdown by Marvel Security. While in the midst of a desperate cat and mouse chase, our Double Agent has an unexpected interaction with Elizabeth Henstridge (Agent Simmons).