- "I thought you wouldn't recognize me Marty."
- —Doc
A rejuvenation clinic was a clinic where a number of years could be added to one's life. Dr. Emmett Brown was one who went through the process, doing so in 2015. He told his friend Marty McFly that it could add up to 30 or even 40 years to an individual's life.
Appearances
- Back to the Future Part II (mentioned only)
- Back to the Future Part II novelization (mentioned only)