<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> Prod . code </Th> <Th> U.S. viewers (millions) </Th> </Tr> <Tr> <Th> 40 </Th> <Td> </Td> <Td> "Old Dogs, New Tricks" </Td> <Td> Stefan Pleszczynski </Td> <Td> Anna Fricke </Td> <Td> January 13, 2014 (2014 - 01 - 13) </Td> <Td> 137959 - 59 </Td> <Td> 1.26 </Td> </Tr> <Tr> <Td_colspan="8"> Three months have passed . Nora and Aidan are at a disused farmhouse, caring for Josh, who is a wolf all the time except during the full moon . When Josh returns to his human self and Nora is out as the wolf, he contemplates suicide due to the strain he is placing on his wife and best friend . With Josh's blessing, Aidan meets Kat at a faculty party . When Aidan goes to get drinks, a woman resembling Aidan's long dead wife Suzanna approaches Kat, but disappears before Aidan returns . The next day at the hospital, Aidan's suspicions are raised when Blake, who now works at the same funeral home that Bishop ran previously, tries to take a corpse . Elsewhere, Sally is with Donna in what appears to be a spa, but she soon wants to escape, though Donna warns that they are both a threat to reality . Sally escapes through Donna's death spot, experiencing Donna's death by hanging as a witch during the 17th century, and goes to meet her friends at the farm . Josh is not in his holding cell and, as the werewolf, he confronts the trio in an attempt to commit suicide at Aidan's hand . Sally conjures up a ring of fire to trap him, allowing Nora to tranquilize him . However, Sally disappears into what she thinks is another dimension, and sees a little girl being stabbed by a group of witches . Blake reports to the new head of Boston, who is revealed to be Kenny, looking completely normal . Aidan is at the house when his wife Suzanna comes to the door . </Td> </Tr> <Tr> <Th> 41 </Th> <Td> </Td> <Td> "That Time of the Month" </Td> <Td> Stefan Pleszczynski </Td> <Td> Lisa Randolph </Td> <Td> January 20, 2014 (2014 - 01 - 20) </Td> <Td> 137959 - 60 </Td> <Td> 1.03 </Td> </Tr>

How many episodes in being human season 4