One old school one that springs to mind...Leapers. Quantum Leap fans.
I remember that one. Still miss that show. X- Files fans were called Philes. Saw that term once on an old book about the show Columbo, so it looks as if fans of that show were called that terms as well.
Mr. Laser Beam wrote:
How fans are called?
Telephones, I would think.
RIP Robin, you'll be missed
. Credit goes to Ticketmaster for this picture of Robin, no copyright infringement intended.