Show and Tell S20E20 - Show and Tell 1999
A young boy arrives through the Stargate, and warns of plot by invisible aliens to kill all of the human race in order to rob the Goa'uld of potential hosts.
- Released: 1999-02-26
- Runtime: 50 minutes
- Genre:
- Stars: Richard Dean Anderson, Amanda Tapping, Christopher Judge, Michael Shanks, Don S. Davis
- Director: Peter DeLuise