The plane that was used in Fantasy Island was up for auction in the '90s. It was autographed by all the guest stars. Before Fantasy Island this plane was also owned by Richard D. Bach, author of "Jonathan Livingston Seagull".
When 3-D was revived in the early 1980s, some thought was given to shooting an entire episode in 3-D. The problem was that Anaglyphic glasses (tinted glasses) could not be used because it required that TV sets be correctly color adjusted - something in 1983 with dozens of TV makers and in an era without cable or satellite was unthinkable.