Having suffered a blow to the head, Ben Cartwright awakens to discover that he has lost track of a whole day. During that period, Ben's longtime enemy Sid Langley (Lawrence Montaigne) was murdered. The local sheriff (Albert Salmi) arrests Ben-who doesn't know if he is guilty or not! Others in the cast include Pamela Payton-Wrightas Amy and Gerald Hiken as Dr. Penner. Written by Don Ingalls, "Search in Limbo" first aired on February 20, 1972. ~ Hal Erickson, Rovi