The duration of The Unknown Man is 1.43 hours.
The duration of The Unknown Man of Shandigor is 1.5 hours.
The duration of Out of the Unknown is 3600.0 seconds.
The duration of Donor Unknown is 1.33 hours.
The duration of Journey to the Unknown is 3600.0 seconds.
The duration of Toward the Unknown is 1.92 hours.
The duration of Unknown Island is 1.25 hours.
The duration of The Land Unknown is 1.3 hours.
The duration of Unknown Time is 1.67 hours.
The duration of Giant from the Unknown is 1.28 hours.
The duration of The Unknown Purple is 1.25 hours.
The duration of X the Unknown is 1.35 hours.
The duration of Of Unknown Origin is 1.47 hours.