the event was an american television show on nbc. it is in the genre of science fiction. it is about a group of aliens who come to earth. 97 of these aliens are being held by the united states government. they were held held for 66 years until they escaped. the show will have 22 episodes for the first season. on may 13, 2011, nbc announced that the show will end after one season due to declining ratings. however the producers said that netflix or syfy may pick it up.