<Table> <Tr> <Th_colspan="2"> Trollhunters </Th> </Tr> <Tr> <Td_colspan="2"> Promotional poster </Td> </Tr> <Tr> <Th> Genre </Th> <Td> Adventure Action Fantasy </Td> </Tr> <Tr> <Th> Created by </Th> <Td> Guillermo del Toro </Td> </Tr> <Tr> <Th> Based on </Th> <Td> Trollhunters by <Ul> <Li> Guillermo del Toro </Li> <Li> Daniel Kraus </Li> </Ul> </Td> </Tr> <Tr> <Th> Written by </Th> <Td> Guillermo del Toro Marc Guggenheim Kevin Hageman Dan Hageman Aaron Waltke Chad Quandt A.C. Bradley </Td> </Tr> <Tr> <Th> Voices of </Th> <Td> <Ul> <Li> Anton Yelchin </Li> <Li> Kelsey Grammer </Li> <Li> Ron Perlman </Li> <Li> Charlie Saxton </Li> <Li> Steven Yeun </Li> <Li> Jonathan Hyde </Li> <Li> Lexi Medrano </Li> <Li> Amy Landecker </Li> <Li> Fred Tatasciore </Li> </Ul> </Td> </Tr> <Tr> <Th> Theme music composer </Th> <Td> Alexandre Desplat </Td> </Tr> <Tr> <Th> Composer (s) </Th> <Td> Tim Davies </Td> </Tr> <Tr> <Th> Country of origin </Th> <Td> United States </Td> </Tr> <Tr> <Th> No. of seasons </Th> <Td> </Td> </Tr> <Tr> <Th> No. of episodes </Th> <Td> 26 (list of episodes) </Td> </Tr> <Tr> <Th_colspan="2"> Production </Th> </Tr> <Tr> <Th> Executive producer (s) </Th> <Td> Rodrigo Blaas Guillermo del Toro Marc Guggenheim Kevin Hageman Dan Hageman Christina Steinberg </Td> </Tr> <Tr> <Th> Producer (s) </Th> <Td> Chad Hammes </Td> </Tr> <Tr> <Th> Production company (s) </Th> <Td> DreamWorks Animation Double Dare You </Td> </Tr> <Tr> <Th> Distributor </Th> <Td> Netflix NBCUniversal Television Distribution </Td> </Tr> <Tr> <Th_colspan="2"> Release </Th> </Tr> <Tr> <Th> Original network </Th> <Td> Netflix </Td> </Tr> <Tr> <Th> Original release </Th> <Td> December 23, 2016--present </Td> </Tr> <Tr> <Th_colspan="2"> External links </Th> </Tr> <Tr> <Th> Website </Th> <Td> www.dreamworkstv.com/shows/dreamworks-trollhunters/ </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Trollhunters </Th> </Tr>

How many seasons of troll hunters are there
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