<Tr> <Td_colspan="8"> As a means of protecting Ted from discovering he has lost an important job, Marshall and Barney dream up an elaborate lie . </Td> </Tr> <Tr> <Th> 83 </Th> <Td> 19 </Td> <Td> "Murtaugh" </Td> <Td> Pamela Fryman </Td> <Td> Joe Kelly </Td> <Td> March 30, 2009 (2009 - 03 - 30) </Td> <Td> 4ALH18 </Td> <Td> 9.20 </Td> </Tr> <Tr> <Td_colspan="8"> When Barney learns Ted has a list of things he thinks the gang is too old to do, he sets out to do every task within 24 hours in order to prove Ted wrong . </Td> </Tr> <Tr> <Th> 84 </Th> <Td> 20 </Td> <Td> "Mosbius Designs" </Td> <Td> Pamela Fryman </Td> <Td> Kourtney Kang </Td> <Td> April 13, 2009 (2009 - 04 - 13) </Td> <Td> 4ALH20 </Td> <Td> 9.56 </Td> </Tr>

How i met your mother season 4 cast