The Light at the Threshold
- Episode aired Oct 9, 1973
- TV-PG
- 1h
A teenage girl suffers from a catastrophic eye condition that could leave her blind. Welby searches for answers while the girl tries to adapt to her situation.A teenage girl suffers from a catastrophic eye condition that could leave her blind. Welby searches for answers while the girl tries to adapt to her situation.A teenage girl suffers from a catastrophic eye condition that could leave her blind. Welby searches for answers while the girl tries to adapt to her situation.