<Tr> <Td_colspan="7"> When Amy works with a chuck wagon horse, she discovers an impediment that could put the team in danger and change the dynamics of a prominent chuck wagon family . Caleb returns without Ashley . The whole family is sleep deprived from the new baby . Lou and Peter try to get Katie to sleep . </Td> </Tr> <Tr> <Th> 72 </Th> <Td> 5 </Td> <Td> "Never Let Go" </Td> <Td> Mark Haroun </Td> <Td> Dean Bennett </Td> <Td> October 23, 2011 (2011 - 10 - 23) </Td> <Td> 505 </Td> </Tr> <Tr> <Td_colspan="7"> Amy helps to restore the confidence of a troubled trick - rider so that she can get back on her horse and perform again . With the house being overcrowded, Jack builds an outhouse to accommodate . Caleb continues to pine over Ashley, gets drunk, and meets a girl . Caleb says he and Ashley are separated . Lou and Peter decide to build a house at Heartland . </Td> </Tr> <Tr> <Th> 73 </Th> <Td> 6 </Td> <Td> "The Slippery Slope" </Td> <Td> Heather Conkie </Td> <Td> Dean Bennett </Td> <Td> October 30, 2011 (2011 - 10 - 30) </Td> <Td> 506 </Td> </Tr>

When do ty and amy get back together in heartland