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Young Sherlock Season 1

Season 4

O'Neill and Teal'c put their lives on the line to stop the Replicator bugs from securing a foothold on Earth, while Carter lends crucial aid to the Asgard as they fend off a Replicator invasion. Meanwhile, a warring alien civilization proposes trading their sophisticated technology in return for Earth's assistance in defeating their adversary.

200022 EpisodesSci-Fi & Fantasy, Action & Adventure

Cast & Crew

Don S. Davis

Don S. Davis

George Hammond

Christopher Judge

Christopher Judge

Teal'c

Amanda Tapping

Amanda Tapping

Samantha Carter

Richard Dean Anderson

Richard Dean Anderson

Jack O'Neill

Michael Shanks

Michael Shanks

Daniel Jackson

Episode Guide

O'Neill and Teal'c put their lives on the line to prevent the Replicator bugs from securing a foothold on Earth, while Carter assists the Asgard in repelling a Replicator invasion.

Season 4 FAQs

The cast of Season 4 includes Don S. Davis as George Hammond, Christopher Judge as Teal'c, Amanda Tapping as Samantha Carter, Richard Dean Anderson as Jack O'Neill, and Michael Shanks as Daniel Jackson.