The X-Files · Season 1 · Episode 8

“Ice”

Aired Saturday 6 November 1993

When an Arctic research team mysteriously kills each other and themselves only days after drilling deeper into the ice than ever before, Mulder and Scully accompany a team of doctors and scientists to investigate. They discover an organism which infects living creatures and amplifies the host's feeling of anger and paranoia, and the new team starts to deteriorate as they wonder who among them are killers.

S1 E8 discussion