A MURDER INVESTIGATION LAUNCHES CASTLE INTO AN ALTERNATE UNIVERSE WHERE HE AND BECKETT HAVE NEVER MET, WHICH INSPIRES THEM TO TAKE A TRIP TO THE ALTAR, ON ABC'S "CASTLE"

"The Time of Our Lives" -- A murder investigation launches Castle into what seems to be an alternate universe where he's never met Kate Beckett. Castle has to convince Beckett, Esposito and Ryan -- now complete strangers -- to let him participate in their investigation so he can find his way back to his own world. This inspires Castle & Beckett to finally take a trip to the altar, on "Castle," SUNDAY, JUNE 21 (10:01-11:00 p.m., ET) on the ABC Television Network. (Rebroadcast. OAD: 11/10/14)

"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: Julian Scott Urena as Renzo Conrad, David Francis Harris as Mathias Gensler, Jeffrey Nordling as Marcus Lark, Scott Paulin as Jim Beckett.

"The Time of Our Lives" was written by Terri Edda Miller and directed by Paul Holahan.

"Castle" is produced by ABC Studios. The executive producers are Andrew Marlowe (creator), David Amann (showrunner), Rob Bowman, Armyan Bernstein, Rob Hanning and Terri Edda Miller.

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

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