<Table> <Tr> <Th_colspan="2"> Agents of S.H.I.E.L.D. (season 4) </Th> </Tr> <Tr> <Td_colspan="2"> Promotional poster for the season's first "pod", Ghost Rider </Td> </Tr> <Tr> <Th> Starring </Th> <Td> <Ul> <Li> Clark Gregg </Li> <Li> Ming - Na Wen </Li> <Li> Chloe Bennet </Li> <Li> Iain De Caestecker </Li> <Li> Elizabeth Henstridge </Li> <Li> Henry Simmons </Li> <Li> John Hannah </Li> </Ul> </Td> </Tr> <Tr> <Th> Country of origin </Th> <Td> United States </Td> </Tr> <Tr> <Th> No. of episodes </Th> <Td> 22 </Td> </Tr> <Tr> <Th_colspan="2"> Release </Th> </Tr> <Tr> <Th> Original network </Th> <Td> ABC </Td> </Tr> <Tr> <Th> Original release </Th> <Td> September 20, 2016 (2016 - 09 - 20)--May 16, 2017 (2017 - 05 - 16) </Td> </Tr> <Tr> <Th_colspan="2"> Season chronology </Th> </Tr> <Tr> <Td_colspan="2"> ← Previous Season 3 Next → Season 5 </Td> </Tr> <Tr> <Td_colspan="2"> List of Agents of S.H.I.E.L.D. episodes </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Agents of S.H.I.E.L.D. (season 4) </Th> </Tr>

How many episodes are in season 4 of agents of shield