RUSSELL AND UNDERLAY RELUCTANTLY TEAM TOGETHER TO CATCH DEREK AND CHRISTINA � TWO VERY DANGEROUS HYBRIDS -- MARIEL TELLS JESSE AND ROSE THE TRUTH ABOUT WHAT HAPPENED TO HER AFTER THE HURRICANE, AND KIRA REMAINS UNCONSCIOUS AFTER HER ENCOUNTER WITH THE LUMINESCENT BEING, ON ABC�S �INVASION�

�The Fittest� � Russell and Underlay must team together to catch hybrids Derek and a pregnant Christina -- who are armed, on the run and extremely volatile. But along the way they stumble upon a group of suspicious migrant workers who have been banished from the rest of their group. Meanwhile, Mariel tells Jesse and Rose the truth about what happened to her during the hurricane, Kira lies unconscious in the hospital after her encounter with the luminescent orange being, and Larkin uses a military source to get more answers about Paxton and why he was in the water the night of the hurricane, on �Invasion,� WEDNESDAY, MARCH 8 (10:00-11:00 p.m., ET), on the ABC Television Network.

�Invasion� stars William Fichtner as Sheriff Tom Underlay, Eddie Cibrian as Russell Varon, Lisa Sheridan as Larkin Groves, Kari Matchett as Dr. Mariel Underlay, Tyler Labine as Dave Groves, Evan Peters as Jesse Varon, Ariel Gade as Rose Varon, Alexis Dziena as Kira Underlay and Aisha Hinds as Mona Gomez.

Guest starring are James Frain as Andrew Dennison/Eli Szura, Elisabeth Moss as Christina, Michael Mitchell as Derek, Rocky Carroll as Healy, Matt Ross as Vince, Jesus Mayorga as Omar, Frank Merino as hybrid migrant and Giovanni Martinez as hybrid migrant no. 2.

�The Fittest� was written by Juan Carlos Coto and directed by Fred Toye.

�Invasion� is broadcast in 720 Progressive (720P), ABC�s selected HDTV format, with 5.1-channel surround sound and Spanish subtitles via secondary closed captioning.

A TV parental guideline will be assigned closer to airdate.