Filming of the color episodes began in late 1954, and were broadcast in monochrome starting in early 1955.
The later, color episodes would reveal streaks of gray in Reeves's hair, but even here he seems conspicuously older than his colleagues.
For seasons 2-8 (1969-75), the show produced 65 new color episodes each year.
The color episodes have run constantly, with the show running on TV Land from 1996 to 2000.
In a later color episode, Opie makes college plans with dentistry as his career choice.
The series ran between 1969 and 1971 to total 65 color episodes.
Game Show Network has aired the color episode in the past.
Early color episodes used a purely animated smoke effect.
This was removed after the first week of color episodes and replaced by the Platypus Mound.
It is assumed the color episodes exist intact.