Original Air Date	September 25, 1998
Guest Stars	Teryl Rothery as Dr. Fraiser Tom McBeath as Colonel Maybourne Scott Hylands as Dr. Timothy Harlow Colleen Rennison as Ally Laara Sadiq as Technician
Directed By	David Warry-Smith
Written By	Robert C. Cooper
Synopsis	The SG-1 team explore what appears to be a deserted planet, when out of nowhere, a gigantic insect lands on Teal'c and bites him. Upon returning to Earth, Teal'c's genetic makeup begins to transform into that of the insect that bit him. Great acting job by Christopher Judge!