For the week starting Thursday, July 15. Times are E.D.T., subject to change.
Doctor Sixgun (Thurs. 8:30 p.m., NBC). New western series about a gunslinging doctor in the 1870s.
Adventures in Science (Sat. 3:15 p.m., CBS). Rutgers' Dr. Frederick Aldrich discusses the starfish.
Conversation (Sun. 7:30 p.m., NBC).
Clifton Fadiman leads a discussion on the arts.
The Telephone Hour (Mon. 9 p.m., NBC). Guest: Violinist Zino Francescatti.
Horse Racing (Sat. 5:30 p.m., CBS). The Arlington Classic for three-year-olds. The purse: $100,000.
That's My Boy (Sat. 10 p.m., CBS). Eddie Mayehoff as Jarrin' Jack...