<Table> <Tr> <Th_colspan="2"> LEGO Nexo Knights </Th> </Tr> <Tr> <Td_colspan="2"> The Lego Nexo Knights logo featuring Lance Richmond . </Td> </Tr> <Tr> <Th> Genre </Th> <Td> Science Fantasy Comedy Action Adventure Science Fiction </Td> </Tr> <Tr> <Th> Developed by </Th> <Td> Tommy Andersen Alexandre Boudon Samuel Thomas Johnson Martin Dalsgarrd Heidi Rathschau Niesen </Td> </Tr> <Tr> <Th> Directed by </Th> <Td> Dave Osborne Jean Paul Vermeulen </Td> </Tr> <Tr> <Th> Voices of </Th> <Td> Michael Adamthwaite Garry Chalk Michael Daingerfield Brian Drummond Ian Hanlin Jennifer Hayward Maryke Hendrikse Noel Johansen Alessandro Juliani Alan Marriott Erin Mathews Mark Oliver Nicole Oliver Giles Panton Jason Simpson Vincent Tong </Td> </Tr> <Tr> <Th> Opening theme </Th> <Td> "Unbreakable" by Carpark North (Season Two and Three) </Td> </Tr> <Tr> <Th> Composer (s) </Th> <Td> Tom Bailey James Gosling </Td> </Tr> <Tr> <Th> Country of origin </Th> <Td> Denmark </Td> </Tr> <Tr> <Th> Original language (s) </Th> <Td> English </Td> </Tr> <Tr> <Th> No. of seasons </Th> <Td> </Td> </Tr> <Tr> <Th> No. of episodes </Th> <Td> 40 (list of episodes) </Td> </Tr> <Tr> <Th_colspan="2"> Production </Th> </Tr> <Tr> <Th> Executive producer (s) </Th> <Td> Torsten Jacobsen Ole Holm Christensen Lotte Kronborg </Td> </Tr> <Tr> <Th> Producer (s) </Th> <Td> Peter Griffiths </Td> </Tr> <Tr> <Th> Running time </Th> <Td> 20--25 minutes </Td> </Tr> <Tr> <Th> Production company (s) </Th> <Td> The Lego Group M2 Entertainment Wilbros </Td> </Tr> <Tr> <Th> Distributor </Th> <Td> The Lego Group </Td> </Tr> <Tr> <Th_colspan="2"> Release </Th> </Tr> <Tr> <Th> Original network </Th> <Td> Cartoon Network </Td> </Tr> <Tr> <Th> Picture format </Th> <Td> 16: 9 </Td> </Tr> <Tr> <Th> Audio format </Th> <Td> 2.0 </Td> </Tr> <Tr> <Th> First shown in </Th> <Td> United States </Td> </Tr> <Tr> <Th> Original release </Th> <Td> December 13, 2015--present </Td> </Tr> <Tr> <Th_colspan="2"> Chronology </Th> </Tr> <Tr> <Th> Related shows </Th> <Td> Lego Ninjago: Masters of Spinjitzu Legends of Chima Mixels </Td> </Tr> <Tr> <Th_colspan="2"> External links </Th> </Tr> <Tr> <Th> Lego Nexo Knights </Th> <Td> www.lego.com/en-us/nexoknights </Td> </Tr> </Table> <Tr> <Th_colspan="2"> LEGO Nexo Knights </Th> </Tr>

How many seasons of nexo knights are there
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