The X-Files · Season 4 · Episode 14

“Memento Mori”

Aired Monday 10 February 1997

Scully's recent failing health is revealed to be inoperable brain cancer which is common among abductees. She meets with other abductees with the same condition and forms a special bond with a dying woman, while Mulder tries to save her from a doctor who may be connected with the abductions.

S4 E14 discussion