I Don't KnowNo posterI Don't Know1980Queuebrick VideoQueueLWatchedWFavoriteFListsDiscussionWhere to watchCopy short link1980I Don't Know1h 32mDirected by Shim Wu-seob·1980QueueLWatchedWFavoriteFWhere to watchListsRateRateNA/10 avgNo member ratings yetOverviewDiscussionDirectorShim Wu-seobOverviewDiscussionCastCrewDetailsWhere to watchNo cast listed.