<Table> <Tr> <Th_colspan="2"> Mako: Island of Secrets </Th> </Tr> <Tr> <Td_colspan="2"> Australian series' intertitle </Td> </Tr> <Tr> <Th> Also known as </Th> <Td> <Ul> <Li> Mako Mermaids </Li> <Li> Secret of Mako Island </Li> </Ul> </Td> </Tr> <Tr> <Th> Genre </Th> <Td> <Ul> <Li> Children / teen drama </Li> <Li> Fantasy </Li> </Ul> </Td> </Tr> <Tr> <Th> Created by </Th> <Td> Jonathan M. Shiff </Td> </Tr> <Tr> <Th> Written by </Th> <Td> <Ul> <Li> Sam Carroll </Li> <Li> Anthony Morris </Li> <Li> Chris Roache </Li> </Ul> </Td> </Tr> <Tr> <Th> Directed by </Th> <Td> <Ul> <Li> Evan Clarry </Li> <Li> Grant Brown </Li> </Ul> </Td> </Tr> <Tr> <Th> Starring </Th> <Td> <Ul> <Li> Lucy Fry </Li> <Li> Ivy Latimer </Li> <Li> Amy Ruffle </Li> <Li> Chai Romruen </Li> <Li> Isabel Durant </Li> <Li> Allie Bertram </Li> <Li> Gemma Forsyth </Li> <Li> Alex Cubis </Li> <Li> Linda Ngo </Li> </Ul> </Td> </Tr> <Tr> <Th> Opening theme </Th> <Td> "I Just Wanna Be" by Chantelle Defina & Jack Dacy </Td> </Tr> <Tr> <Th> Ending theme </Th> <Td> "I Just Wanna Be" </Td> </Tr> <Tr> <Th> Composer (s) </Th> <Td> <Ul> <Li> Ricky Edwards </Li> <Li> Brett Aplin </Li> <Li> Ric Formosa </Li> </Ul> </Td> </Tr> <Tr> <Th> Country of origin </Th> <Td> Australia </Td> </Tr> <Tr> <Th> Original language (s) </Th> <Td> English </Td> </Tr> <Tr> <Th> No. of series </Th> <Td> </Td> </Tr> <Tr> <Th> No. of episodes </Th> <Td> 68 (list of episodes) </Td> </Tr> <Tr> <Th_colspan="2"> Production </Th> </Tr> <Tr> <Th> Executive producer (s) </Th> <Td> <Ul> <Li> Jonathan M. Shiff </Li> <Li> Julia Adams </Li> </Ul> </Td> </Tr> <Tr> <Th> Producer (s) </Th> <Td> Jonathan M. Shiff </Td> </Tr> <Tr> <Th> Cinematography </Th> <Td> <Ul> <Li> Zenon Sawko </Li> <Li> Simon Christidis </Li> </Ul> </Td> </Tr> <Tr> <Th> Camera setup </Th> <Td> Single camera </Td> </Tr> <Tr> <Th> Running time </Th> <Td> 26 minutes </Td> </Tr> <Tr> <Th> Production company (s) </Th> <Td> Jonathan M. Shiff Productions </Td> </Tr> <Tr> <Th> Distributor </Th> <Td> ZDF Enterprises </Td> </Tr> <Tr> <Th_colspan="2"> Release </Th> </Tr> <Tr> <Th> Original network </Th> <Td> <Ul> <Li> Network Ten (2013) </Li> <Li> Eleven (2013--2016) </Li> </Ul> </Td> </Tr> <Tr> <Th> Picture format </Th> <Td> 576i (SDTV) </Td> </Tr> <Tr> <Th> Audio format </Th> <Td> Stereo </Td> </Tr> <Tr> <Th> Original release </Th> <Td> 26 July 2013 (2013 - 07 - 26)--28 August 2016 (2016 - 08 - 28) </Td> </Tr> <Tr> <Th_colspan="2"> Chronology </Th> </Tr> <Tr> <Th> Related shows </Th> <Td> <Ul> <Li> H O: Just Add Water </Li> <Li> H O: Mermaid Adventures </Li> </Ul> </Td> </Tr> <Tr> <Th_colspan="2"> External links </Th> </Tr> <Tr> <Th> Website </Th> <Td> tenplay.com.au/channel-eleven/mako-island-of-secrets </Td> </Tr> <Tr> <Th> Production website </Th> <Td> www.jmsp.com.au/jmsp/public/public </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Mako: Island of Secrets </Th> </Tr>

How many seasons of mako mermaids an h2o adventure are there
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