| Episode cast overview: | |||
| Richard Dean Anderson | ... | Colonel Jack O'Neill | |
| Michael Shanks | ... | Dr. Daniel Jackson | |
| Amanda Tapping | ... | Captain Samantha Carter | |
| Christopher Judge | ... | Teal'c | |
| Don S. Davis | ... | Major General George Hammond | |
| Teryl Rothery | ... | Dr. Janet Fraiser | |
| Tom McBeath | ... | Colonel Harry Maybourne | |
| Scott Hylands | ... | Dr. Timothy Harlow | |
| Colleen Rennison | ... | Ally | |
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Alonso Oyarzun | ... | Punk Leader |
| Richard Leacock | ... | Sergeant | |
| Laara Sadiq | ... | Female Technician | |
While off-world, the team is attacked by giant insects, one of which stings Teal'c on the back. The bug has actually implanted a virus that converts Teal'c into a living incubator for hundreds of more insects and Teal'c is being eaten alive. The only way to save him is to capture another venomous bug and create an antidote, but time is running out. Written by Anonymous
Great work by Christopher Judge (as usual), but especially by Colleen Dennison, who played the young girl Ally, but also plays the character Cassandra, the young girl that had a Go'uld bomb in her and who was adopted by Dr. Fraiser.