The Bill Cosby Show - Season 2 Episode 20
Chet aids a fellow teacher from the high school who's trying to quit smoking. Herb Edelman guest stars as Mr. Maher, the teacher who's trying to kick the habit.
- Seánra: Comedy
- Stiúideo: NBC
- Eochairfhocal: high school, teacher, los angeles, california, high school teacher, sitcom
- Caitheadh: Bill Cosby