<Tr> <Th> Full name </Th> <Td> Nathaniel Fitzwilliam Archibald </Td> </Tr> <Tr> <Th> Nickname (s) </Th> <Td> Nate Nathaniel (by his grandfather and Chuck) Novels: Natie (by Serena and Blair) </Td> </Tr> <Tr> <Th> Aliases </Th> <Td> Golden Boy </Td> </Tr> <Tr> <Th> Gender </Th> <Td> Male </Td> </Tr>

What episode do nate and serena break up