Roscoe Lee Browne guest-stars as Joshua, the crippled grandfather of a black youngster killed in a bank robbery. Struggling to overcome his bitterness against the white race in general, Joshua accepts the assistance of Joe Cartwright and Jamie in tracking down his grandson's killers. Featured in the cast is Richard Farnsworth as Troy. Michael Landon, who plays Joe Cartwright, also wrote and directed this compelling episode. "He Was Only Seven" made its network broadcast debut on March 5, 1972. ~ Hal Erickson, Rovi