Mountain Monsters is an American cryptozoology-themed reality television series airing on Travel Channel. It originally premiered on June 22, 2013, on Destination America. The series follows the Appalachian Investigators of Mysterious Sightings (A.I.M.S) team, a band of six native West Virginian hunters and trappers, as they research and track unidentified creatures in the Appalachian Mountains. A spinoff series titled Mountain Monsters: By The Fire features extra facts and never-before-seen footage from different episodes of the series.

The series aired for five seasons on Destination America. After an 18-month hiatus, it was announced that the series was renewed for a sixth season and would be moving to Travel Channel.

In 2021 it was announced that a TV special titled Mountain Monsters: A Tribute to Trapper would premiere on January 3, 2021. It was also announced that the seventh season will premiere on January 10, 2021. It was announced shortly after the premiere of Season 7 that new episodes would be streaming exclusively on Discovery+.

The official Mountain Monsters Instagram account revealed on December 10, 2021, that an eighth season would premiere in January 2022. The season premiered on 2 January 2022 and ran for 10 episodes, ending its run on 13 March 2022.

In September 2024, Buck said that the series would not be returning for a ninth season. The series will end after eight seasons and 79 episodes.

In the eighth season finale, the series ends with a cliffhanger.