7 Season
171 Episode
Marcus Welby, M.D. - Season 1 Episode 12 The Chemistry of Hope (1976)
Pacho McGuerney's parents, refuse to allow Dr. Welby to tell their teen-aged son that he has leukemia.
- Country :
- Genre : Drama
- Studio : ABC
- Director : David Victor
- Cast : Robert Young, James Brolin, Pamela Hensley, Sharon Gless, Elena Verdugo