<Tr> <Th> No . overall </Th> <Th> No. in season </Th> <Th> Title </Th> <Th> Directed by </Th> <Th> Written by </Th> <Th> Original air date </Th> <Th> U.S. viewers (millions) </Th> </Tr> <Tr> <Th> 36 </Th> <Td> </Td> <Td> "30 Days Without an Accident" </Td> <Td> Greg Nicotero </Td> <Td> Scott M. Gimple </Td> <Td> October 13, 2013 (2013 - 10 - 13) </Td> <Td> 16.11 </Td> </Tr> <Tr> <Th> 37 </Th> <Td> </Td> <Td> "Infected" </Td> <Td> Guy Ferland </Td> <Td> Angela Kang </Td> <Td> October 20, 2013 (2013 - 10 - 20) </Td> <Td> 13.95 </Td> </Tr> <Tr> <Th> 38 </Th> <Td> </Td> <Td> "Isolation" </Td> <Td> Dan Sackheim </Td> <Td> Robert Kirkman </Td> <Td> October 27, 2013 (2013 - 10 - 27) </Td> <Td> 12.92 </Td> </Tr>

When is the mid season break for walking dead