SAM AND CHRIS ARE DRAWN INTO A ROCK STAR'S OUTRAGEOUS WORLD THAT BECOMES MORE BIZARRE AFTER A POSSIBLE UFO CLOSE ENCOUNTER, ON ABC'S "LIFE ON MARS"

"Let All the Children Boogie" � Death threats targeting rock sensation Sebastian Grace expose Sam and Chris to the anything-goes rock and roll lifestyle, including Grace's groupie, "Rocket Girl," and an FBI agent known as "The Sorcerer." But is this over-the-top world also out of this world? It certainly seems so after Chris finds Sebastian and "Rocket Girl" watching and waiting for UFOs in a desolate area of New Jersey known as the Meadowlands. The otherworldly mystery builds as the groupie disappears, and Sam believes he may finally have found a way back from the 1970s to 2009, on "Life on Mars," WEDNESDAY, FEBRUARY 11 (10:02-11:00 p.m., ET) on ABC Television Network.

"Life on Mars" stars Jason O'Mara as Detective Sam Tyler, Harvey Keitel as Lieutenant Gene Hunt, Michael Imperioli as Detective Ray Carling, Gretchen Mol as Annie Norris and Jonathan Murphy as Detective Chris Skelton.

Guest starring are Wallace Shawn as "The Sorcerer," Cheyenne Jackson as Sebastian Grace, Alexandra Dadario as "Rocket Girl," Maggie Siff as Maria Belanger, John Cenatiempo as Sizable Ted, Kristen Connolly as Donna, Manoel Felciano as Bradley Thomas, Duke Valenti as Grizzly, Isabelle Chester as Lulu, Jessalyn Wanlim as Sweet Jane, Robert Clohessy as Frank Wyatt, Del Pentecost as Carl Stefanski, Kevin Henderson as uniformed New Jersey cop and Robert L. Putterman as desk sergeant.

"Let All the Children Boogie" was written by Phil M. Rosenberg and directed by Michael Katleman.

"Life on Mars" 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 posted closer to airdate.

This episode of "Life on Mars" will be available on ABC.com the day after airing on the network for users to watch online.