I know what you’re thinking, but David Hasslehoff’s guest appearance on Eureka! didn’t happen until after the series had ended, so it doesn’t really count.
- Sliders, The X-Files, The Invisible Man, First Wave, Tremors: The Series, Stargate SG-1 and Farscape: The Peacekeeper Wars are available from amazon.com
- The Visitor, Mission Genesis and The Chronicle are not.