Every season of Operation: Mystery ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of Operation: Mystery!

Episode 1

Episode 2

Episode 3

Episode 4

Episode 5

Episode 6

Episode 7

Episode 8

Episode 9

Episode 10

Episode 11

Episode 12

Episode 13

Episode 14

Episode 15

Episode 16

Episode 17

Episode 18

Episode 19

Episode 20

Episode 21

Episode 22

Episode 23

Episode 24

Episode 25

Episode 26

The Science Research Institute (SRI) investigates assorted strange phenomenon in Japan.

The Best Seasons of Operation: Mystery

The Best Seasons of Operation: Mystery

The Best Seasons of Operation: Mystery

Season 1