The Dark at the End of the Tunnel J.R. gets his hands on Bobby's, Ray's, and Miss Ellie's shares of Ewing Oil. April wants revenge for all the past wrongs against her. J.R. is confronted by Clayton. Details Casts Title The Dark at the End of the Tunnel Genres Soap Drama Family Release Date 1987-05-01 Episode Runtime 00 Hours 45 Minutes Season Number 10 Episode Number 27 Production Companies Patrick Duffy Bobby Ewing Barbara Bel Geddes Miss Ellie Linda Gray Sue Ellen Shepard Ewing Larry Hagman J.R. Ewing Ken Kercheval Cliff Barnes Howard Keel Clayton Farlow Susan Howard Donna Culver Krebbs Victoria Principal Pamela Barnes Ewing Priscilla Presley Jenna Wade Dack Rambo Jack Ewing Steve Kanaly Ray Krebbs