2x18 Fearful Symmetry
First Aired: Feb. 24, 1995 on FOX
Summary: Animals at the Fairfield Zoo in Idaho keep disappearing. Mulder and Scully investigate the zoo and the unexplained pregnancies in the animals that have disappeared. When a gorilla that knows sign language appears to be the next target, Mulder and Scully try to stop the abductions.
Guest Stars[no credits found]