<Table> <Tr> <Th_colspan="2"> Mom (season 4) </Th> </Tr> <Tr> <Td_colspan="2"> DVD artwork </Td> </Tr> <Tr> <Th> Starring </Th> <Td> <Ul> <Li> Anna Faris </Li> <Li> Allison Janney </Li> <Li> Mimi Kennedy </Li> <Li> Jaime Pressly </Li> <Li> Beth Hall </Li> <Li> William Fichtner </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> CBS </Td> </Tr> <Tr> <Th> Original release </Th> <Td> October 27, 2016 (2016 - 10 - 27)--May 11, 2017 (2017 - 05 - 11) </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 Mom episodes </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Mom (season 4) </Th> </Tr>

How many episodes in season 4 of mom