<Tr> <Td> 02 </Td> <Td> "Brave New World" </Td> <Td> September 16, 2010 (2010 - 09 - 16) </Td> <Td> 1.4 </Td> <Td> 0.91 </Td> <Td> 1.9 </Td> <Td> 3.96 </Td> <Td> </Td> </Tr> <Tr> <Td> 03 </Td> <Td> "Bad Moon Rising" </Td> <Td> September 23, 2010 (2010 - 09 - 23) </Td> <Td> 1.4 </Td> <Td> 0.92 </Td> <Td> 1.9 </Td> <Td> 4.49 </Td> <Td> </Td> </Tr> <Tr> <Td> 04 </Td> <Td> "Memory Lane" </Td> <Td> September 30, 2010 (2010 - 09 - 30) </Td> <Td> 1.2 </Td> <Td> 0.95 </Td> <Td> 1.8 </Td> <Td> 4.13 </Td> <Td> </Td> </Tr> <Tr> <Td> 06 </Td> <Td> "Plan B" </Td> <Td> October 21, 2010 (2010 - 10 - 21) </Td> <Td> 1.7 </Td> <Td> 1.04 </Td> <Td> 2.2 </Td> <Td> 4.66 </Td> <Td> </Td> </Tr>

When do the mikaelsons appear in vampire diaries