*** EPISODE CHANGE ***

WHEN BECKETT BECOMES PRIVATE PROTECTION FOR A CHARMING ENTREPRENEUR, CASTLE WANTS TO SOLVE THE CASE FAST, ON ABC'S "CASTLE"

"The Squab and the Quail" -- When Beckett is assigned to protect Erik Vaughn, a billionaire entrepreneur whose colleague was murdered, she can't help but be charmed by this dashing genius. Meanwhile, consumed with jealousy, Castle does everything he can to solve the case to get Vaughn out of Beckett's life, on "Castle," MONDAY, APRIL 22 (10:01-11:00 p.m., ET) on the ABC Television Network.

Note: This episode was originally scheduled for April 29.

"Castle" stars Nathan Fillion as Richard Castle, Stana Katic as NYPD Detective Kate Beckett, Susan Sullivan as Martha Rodgers, Molly Quinn as Alexis Castle, Penny Johnson Jerald as NYPD Captain Victoria Gates, Tamala Jones as Medical Examiner Lanie Parish, Jon Huertas as NYPD Detective Javier Esposito, and Seamus Dever as NYPD Detective Kevin Ryan.

Guest Cast: Ioan Gruffudd as Eric Vaughn, Russ Bain as Bruno Toft, Andy Wagner as Lucas Shaw, Jamie Hill as Petra Visser.

"The Squab and the Quail" story by Jason Wilborn & Adam Frost with teleplay by Jason Wilborn and directed by Paul Holahan.

"Castle" is broadcast in 720 Progressive (720P), ABC's selected HDTV format, with 5.1 channel surround sound. This program carries a TV-PG,D,L,V parental guideline.

For more information on "Castle," visit ABC.com