Wikipedia
"T.A.H.I.T.I." is the fourteenth episode of the first season of the American television series Agents of S.H.I.E.L.D., based on the Marvel Comics organization S.H.I.E.L.D. (Strategic Homeland Intervention, Enforcement and Logistics Division), revolving around the character of Phil Coulson and his team of S.H.I.E.L.D. agents as they race to save Skye. It is set in the Marvel Cinematic Universe (MCU), sharing continuity with the films of the franchise. The episode was written by Jeffrey Bell and directed by Bobby Roth.
Clark Gregg reprising his role as Coulson from the film series, and is joined by series regulars Ming-Na Wen, Brett Dalton, Chloe Bennet, Iain De Caestecker, and Elizabeth Henstridge. The characters look to save Skye (Bennet) by finding out how Coulson was resurrected by S.H.I.E.L.D. following his death in The Avengers. The episode introduces recurring guest star Bill Paxton to the series, and the alien race the Kree to the MCU.
"T.A.H.I.T.I." originally aired on ABC on March 4, 2014, and according to Nielsen Media Research, was watched by 5.46 million viewers. It was nominated for a Primetime Emmy for its visual effects.