Unnatural Selection (2)

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

Guest Stars

Gary JonesWalter Harriman

Dan SheaSylvester Siler

Tahmoh PenikettThird

Ian BuchananFirst

Harley Jane KozakSara O'Neill

Kristina CopelandSecond

G. Patrick CurrieFifth

Shannon PowellSixth

Rebecca ReichertFourth

Michael ShanksThor (voice)