Stargate is an intergalactic gateway, developed by an ancient civilization, that links planets from other solar systems to ours. The US Air Force assembles a Stargate team headed by Colonel Jack O'Neill (Richard Dean Anderson) for interstellar peacekeeping.In "One false step, " the SG-1 team encounters a new, friendly life form, but introduces a virus that is deadly to the race.In "Show and tell, " a young boy appears at Stargate Command and pleads for help, claiming the Goa'uld are chasing him to find a race of invisible beings.In "1969, " the SG-1 team is sent back to 1969, are caught by and escape from the US military, and hitchhike with Woodstock-bound kids, trying to find the Stargate before they are stranded.In "Out of mind, " O'Neill awakens and is told he has been in cryogenic sleep for 79 years, that his team is long dead, and that he must tell all he knows about Stargate.