The crew watches Rev Bem’s fairwell message, not sure whether or not to pursue him, or let him leave. Dylan says that they should respect Rev’s decision to leave, but…

The team is called into battle unexpectedly when the Asgard homeworld is overrun by Replicators — which have evolved into a startling new form.

A Tok’ra archaeologist arrives at the SGC with newly discovered technology, giving the SG-1 team superhuman powers.