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Stargate SG-1 episode
“Collateral Damage”
Original Air Date	SciFi Channel: January 13, 2006
Season	9
Episode #	12
Production #	9.12
Writer(s)	Joseph Mallozzi Paul Mullie
Director	William Waring
Guest star(s)	Anna Galvin Warren Kimmel Benson Simmonds Gary Jones William Atherton Ian Robison Brian Drummond
Episode Order
Previous	Next
"The Fourth Horseman, Part 2"	"Ripple Effect "

Collateral Damage is episode 12 of Stargate SG-1 season 9. This is the second episode of the season focusing mainly on Cameron Mitchell.

Plot

After a friendly visit to the planet Galar, Colonel Mitchell is accused of the murder of Galaran scientist Dr. Reya Varrick. Though he knows accusation is false, Mitchell remembers the incident because of technology the Galarans modified from Goa'uld technology enabling them to graft one person's memories into another's mind. Mitchell must recall key moments in his life in order to prove the memories he has are false.