<Table> <Tr> <Th_colspan="2"> The Only Way Is Essex </Th> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th> Also known as </Th> <Td> TOWIE </Td> </Tr> <Tr> <Th> Genre </Th> <Td> Reality television </Td> </Tr> <Tr> <Th> Created by </Th> <Td> Ruth Wrigley Tony Wood </Td> </Tr> <Tr> <Th> Starring </Th> <Td> See below </Td> </Tr> <Tr> <Th> Narrated by </Th> <Td> Denise van Outen </Td> </Tr> <Tr> <Th> Opening theme </Th> <Td> "The Only Way Is Up" by Yazz </Td> </Tr> <Tr> <Th> Country of origin </Th> <Td> United Kingdom </Td> </Tr> <Tr> <Th> Original language (s) </Th> <Td> English </Td> </Tr> <Tr> <Th> No. of series </Th> <Td> 21 </Td> </Tr> <Tr> <Th> No. of episodes </Th> <Td> 249 (as of 3 May 2017) (list of episodes) </Td> </Tr> <Tr> <Th_colspan="2"> Production </Th> </Tr> <Tr> <Th> Camera setup </Th> <Td> Multi Camera </Td> </Tr> <Tr> <Th> Running time </Th> <Td> 30 mins (series 1) 45 mins (series 2--7) 50 mins (series 8--21) 60 mins (specials, 22--present) </Td> </Tr> <Tr> <Th> Production company (s) </Th> <Td> Lime Pictures </Td> </Tr> <Tr> <Th> Distributor </Th> <Td> All3Media </Td> </Tr> <Tr> <Th_colspan="2"> Release </Th> </Tr> <Tr> <Th> Original network </Th> <Td> ITVBe (2014--) ITV2 (2010--14) </Td> </Tr> <Tr> <Th> Picture format </Th> <Td> 1080i HDTV </Td> </Tr> <Tr> <Th> Original release </Th> <Td> 10 October 2010 (2010 - 10 - 10)--present </Td> </Tr> <Tr> <Th_colspan="2"> Chronology </Th> </Tr> <Tr> <Th> Related shows </Th> <Td> It's All About Amy Mark Wright's Hollywood Nights Educating Joey Essex There's Something About Megan </Td> </Tr> <Tr> <Th_colspan="2"> External links </Th> </Tr> <Tr> <Td_colspan="2"> Website </Td> </Tr> </Table> <Tr> <Th_colspan="2"> The Only Way Is Essex </Th> </Tr>

How many episodes of the only way is essex are there