IT'S A TEST OF SURVIVAL WHEN THE ILL-FATED CREW IS PLAGUED WITH SYSTEM FAILURES THAT THREATEN TO INCAPACITATE THE ANTARES, ON ABC'S DEFYING GRAVITY

"H2IK" � The crew navigates a series of system failures, on ABC's "Defying Gravity," SUNDAY, AUGUST 16 (10:00-11:00 p.m., ET). The crew of the Antares face their first major crisis when the ship inexplicably begins to shut down all of its operating systems, causing the sudden failure of power, heat and gravity controls and plunging everyone aboard into chaos during the desperate search for a solution.

"H2IK" was directed by Fred Gerber and written by Brett Conrad.

"Defying Gravity" stars Ron Livingston as Maddux Donner, Laura Harris as Zoe Barnes, Malik Yoba as Ted Shaw, Christina Cox as Jen Crane, Florentine Lahme as Nadia Schilling, Paula Garces as Paula Morales, Eyal Podell as Evram Mintz, Dylan Taylor as Steve Wassenfelder, Andrew Airlie as Mike Goss, Karen LeBlanc as Eve Shaw, Zahf Paroo as Ajay Sharma and Maxim Roy as Claire Dereux.

"Defying Gravity" is broadcast in 720 Progressive (720P), ABC's selected HDTV format, with 5.1-channel surround sound and Spanish audio via SAP. This program carries a TV-14,D,L,S parental guideline.

For more information on "Defying Gravity," visit ABC.com.