developed for television by (14 episodes, 1977-1978)
television developer (12 episodes, 1977)
written by (6 episodes, 1977-1978)
teleplay by (2 episodes, 1977)
teleplay (2 episodes, 1978)
story by (1 episode, 1977)
story (1 episode, 1977)
written by (13 episodes, 1977-1978)
teleplay (6 episodes, 1977-1978)
teleplay by (3 episodes, 1977-1978)
based on the "Hardy Boys" books by (16 episodes, 1977-1978)
based on the "Hardy Boys" by (3 episodes, 1977-1978)
teleplay by (2 episodes, 1978)
teleplay (1 episode, 1978)
based on the "Nancy Drew" books by (6 episodes, 1977)
books (1 episode, 1977)
story by (2 episodes, 1978)
story (1 episode, 1978)
teleplay by (1 episode, 1978)
story (2 episodes, 1977-1978)
written by (1 episode, 1977)
written by (2 episodes, 1977)
story (2 episodes, 1978-1979)
written by (2 episodes, 1978)
story (2 episodes, 1978)
teleplay and story (1 episode, 1977)
teleplay by (1 episode, 1977)
written by (1 episode, 1978)
teleplay (1 episode, 1979)