One Is Not Serious at SeventeenNo posterOne Is Not Serious at Seventeen1974Queuebrick VideoQueueLWatchedWFavoriteFListsDiscussionWhere to watchCopy short link1974One Is Not Serious at Seventeen1h 28mDirected by Adam Pianko·1974QueueLWatchedWFavoriteFWhere to watchListsRateRateNA/10 avgNo member ratings yetDirectorAdam PiankoOverviewDiscussionCastCrewDetailsWhere to watchNo cast listed.