<Table> <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> 47 </Th> <Td> </Td> <Td> `` I 'm Leslie Knope '' </Td> <Td> Troy Miller </Td> <Td> Dan Goor </Td> <Td> September 22 , 2011 ( 2011 - 09 - 22 ) </Td> <Td> 4.11 </Td> </Tr> <Tr> <Td colspan="7"> Leslie is torn between Ben and her dreams of running for public office , while Ron braces himself for the arrival of his first wife , Tammy One . </Td> </Tr> <Tr> <Th> 48 </Th> <Td> </Td> <Td> `` Ron and Tammys '' </Td> <Td> Randall Einhorn </Td> <Td> Norm Hiscock </Td> <Td> September 29 , 2011 ( 2011 - 09 - 29 ) </Td> <Td> 4.33 </Td> </Tr> <Tr> <Td colspan="7"> Leslie is pulled into Ron 's personal life as Tammy One ( Patricia Clarkson ) exerts malevolent influence on him , and seeks out help from Ron 's mother , `` Tammy Zero '' . Tom tasks Ben with helping out with his grossly mismanaged new company , while Ann and Chris team up for a public service announcement about diabetes . </Td> </Tr> <Tr> <Th> 49 </Th> <Td> </Td> <Td> `` Born & Raised '' </Td> <Td> Dean Holland </Td> <Td> Aisha Muharrar </Td> <Td> October 6 , 2011 ( 2011 - 10 - 06 ) </Td> <Td> 4.15 </Td> </Tr> <Tr> <Td colspan="7"> Promoting a book she has written about Pawnee , Leslie falls victim to Joan Callamezzo 's `` Gotcha ! '' journalism , but also learns a horrifying fact about her personal history . Tom 's flirting with Joan takes a disturbing turn , while Ann strives fruitlessly to make Ron and April enjoy chatting with her . </Td> </Tr> <Tr> <Th> 50 </Th> <Td> </Td> <Td> `` Pawnee Rangers '' </Td> <Td> Charles McDougall </Td> <Td> Alan Yang </Td> <Td> October 13 , 2011 ( 2011 - 10 - 13 ) </Td> <Td> 3.99 </Td> </Tr> <Tr> <Td colspan="7"> Ron and Leslie get into a feud over their rival youth camp programs , with Ron 's spartan Pawnee Rangers up against Leslie 's supportive and indulgent Pawnee Goddesses . Tom and Donna invite Ben -- still despondent over his breakup with Leslie -- to their annual `` Treat Yo ' Self '' spa and shopping excursion . Jerry takes his daughter and Chris to lunch together . </Td> </Tr> <Tr> <Th> 51 </Th> <Td> 5 </Td> <Td> `` Meet n Greet '' </Td> <Td> Wendey Stanzler </Td> <Td> Katie Dippold </Td> <Td> October 27 , 2011 ( 2011 - 10 - 27 ) </Td> <Td> 3.90 </Td> </Tr> <Tr> <Td colspan="7"> Ben is mad when Andy and April decide to throw a Halloween party at their house without asking him . Tom emcees an event for Leslie 's campaign but manages to also promote his company . Meanwhile , Ron and Ann give Andy and April an unusual wedding present . </Td> </Tr> <Tr> <Th> 52 </Th> <Td> 6 </Td> <Td> `` End of the World '' </Td> <Td> Dean Holland </Td> <Td> Michael Schur </Td> <Td> November 3 , 2011 ( 2011 - 11 - 03 ) </Td> <Td> 4.00 </Td> </Tr> <Tr> <Td colspan="7"> A local Pawnee group , The Reasonabilists ( aka `` Zorpies '' , members of a cult who follow `` Zorp the Surveyor '' ) , predicts that the end of the world is coming , causing Leslie and others to contemplate their lives . Tom decides to throw the best party ever before he loses his office space , while April helps Andy complete his `` bucket list '' before the world ends . </Td> </Tr> <Tr> <Th> 53 </Th> <Td> 7 </Td> <Td> `` The Treaty '' </Td> <Td> Jorma Taccone </Td> <Td> Harris Wittels </Td> <Td> November 10 , 2011 ( 2011 - 11 - 10 ) </Td> <Td> 3.66 </Td> </Tr> <Tr> <Td colspan="7"> Leslie and Ben are excited about the opportunity to lead a Model United Nations conference , but their post-dating relationship becomes the major crisis of the event . Elsewhere , Andy and April uniquely lend a helping hand at the conference ; Ron goes the extra mile to try and convince a reluctant Tom to return to his government post ; and Chris enlists advice from Ann , Donna , and an uneasy Jerry to find out why Millie is n't returning his calls . </Td> </Tr> <Tr> <Th> 54 </Th> <Td> 8 </Td> <Td> `` Smallest Park '' </Td> <Td> Nicole Holofcener </Td> <Td> Chelsea Peretti </Td> <Td> November 17 , 2011 ( 2011 - 11 - 17 ) </Td>
<Table> <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> 47 </Th> <Td> </Td> <Td> `` I 'm Leslie Knope '' </Td> <Td> Troy Miller </Td> <Td> Dan Goor </Td> <Td> September 22 , 2011 ( 2011 - 09 - 22 ) </Td> <Td> 4.11 </Td> </Tr> <Tr> <Td colspan="7"> Leslie is torn between Ben and her dreams of running for public office , while Ron braces himself for the arrival of his first wife , Tammy One . </Td> </Tr> <Tr> <Th> 48 </Th> <Td> </Td> <Td> `` Ron and Tammys '' </Td> <Td> Randall Einhorn </Td> <Td> Norm Hiscock </Td> <Td> September 29 , 2011 ( 2011 - 09 - 29 ) </Td> <Td> 4.33 </Td> </Tr> <Tr> <Td colspan="7"> Leslie is pulled into Ron 's personal life as Tammy One ( Patricia Clarkson ) exerts malevolent influence on him , and seeks out help from Ron 's mother , `` Tammy Zero '' . Tom tasks Ben with helping out with his grossly mismanaged new company , while Ann and Chris team up for a public service announcement about diabetes . </Td> </Tr> <Tr> <Th> 49 </Th> <Td> </Td> <Td> `` Born & Raised '' </Td> <Td> Dean Holland </Td> <Td> Aisha Muharrar </Td> <Td> October 6 , 2011 ( 2011 - 10 - 06 ) </Td> <Td> 4.15 </Td> </Tr> <Tr> <Td colspan="7"> Promoting a book she has written about Pawnee , Leslie falls victim to Joan Callamezzo 's `` Gotcha ! '' journalism , but also learns a horrifying fact about her personal history . Tom 's flirting with Joan takes a disturbing turn , while Ann strives fruitlessly to make Ron and April enjoy chatting with her . </Td> </Tr> <Tr> <Th> 50 </Th> <Td> </Td> <Td> `` Pawnee Rangers '' </Td> <Td> Charles McDougall </Td> <Td> Alan Yang </Td> <Td> October 13 , 2011 ( 2011 - 10 - 13 ) </Td> <Td> 3.99 </Td> </Tr> <Tr> <Td colspan="7"> Ron and Leslie get into a feud over their rival youth camp programs , with Ron 's spartan Pawnee Rangers up against Leslie 's supportive and indulgent Pawnee Goddesses . Tom and Donna invite Ben -- still despondent over his breakup with Leslie -- to their annual `` Treat Yo ' Self '' spa and shopping excursion . Jerry takes his daughter and Chris to lunch together . </Td> </Tr> <Tr> <Th> 51 </Th> <Td> 5 </Td> <Td> `` Meet n Greet '' </Td> <Td> Wendey Stanzler </Td> <Td> Katie Dippold </Td> <Td> October 27 , 2011 ( 2011 - 10 - 27 ) </Td> <Td> 3.90 </Td> </Tr> <Tr> <Td colspan="7"> Ben is mad when Andy and April decide to throw a Halloween party at their house without asking him . Tom emcees an event for Leslie 's campaign but manages to also promote his company . Meanwhile , Ron and Ann give Andy and April an unusual wedding present . </Td> </Tr> <Tr> <Th> 52 </Th> <Td> 6 </Td> <Td> `` End of the World '' </Td> <Td> Dean Holland </Td> <Td> Michael Schur </Td> <Td> November 3 , 2011 ( 2011 - 11 - 03 ) </Td> <Td> 4.00 </Td> </Tr> <Tr> <Td colspan="7"> A local Pawnee group , The Reasonabilists ( aka `` Zorpies '' , members of a cult who follow `` Zorp the Surveyor '' ) , predicts that the end of the world is coming , causing Leslie and others to contemplate their lives . Tom decides to throw the best party ever before he loses his office space , while April helps Andy complete his `` bucket list '' before the world ends . </Td> </Tr> <Tr> <Th> 53 </Th> <Td> 7 </Td> <Td> `` The Treaty '' </Td> <Td> Jorma Taccone </Td> <Td> Harris Wittels </Td> <Td> November 10 , 2011 ( 2011 - 11 - 10 ) </Td> <Td> 3.66 </Td> </Tr> <Tr> <Td colspan="7"> Leslie and Ben are excited about the opportunity to lead a Model United Nations conference , but their post-dating relationship becomes the major crisis of the event . Elsewhere , Andy and April uniquely lend a helping hand at the conference ; Ron goes the extra mile to try and convince a reluctant Tom to return to his government post ; and Chris enlists advice from Ann , Donna , and an uneasy Jerry to find out why Millie is n't returning his calls . </Td> </Tr> <Tr> <Th> 54 </Th> <Td> 8 </Td> <Td> `` Smallest Park '' </Td> <Td> Nicole Holofcener </Td> <Td> Chelsea Peretti </Td> <Td> November 17 , 2011 ( 2011 - 11 - 17 ) </Td>
parks and rec treat yo self episode number
parks and rec treat yo self episode number
50
50