Marvel's Agents of S.H.I.E.L.D. (2013)

S7E8 After, Before

As the Zephyr hurtles uncontrollably through time due to a malfunction in its drive, the team finds themselves facing imminent peril. Their best chance for survival rests with Yo-Yo, but there's a catch: to regain her abilities, she must seek the assistance of a former enemy and confront a long-buried chapter of her history.