<Tr> <Th> Roar </Th> <Td> Conor </Td> <Td> 13 episodes </Td> </Tr> <Tr> <Th> Storm Hawks </Th> <Td> 2007 </Td> <Td> Cyclonian Talon </Td> <Td> Voice; one episode </Td> </Tr> <Table> <Tr> <Th> Title </Th> <Th> Year </Th> <Th> Performer </Th> <Th> Note </Th> </Tr> <Tr> <Th> "Cause an Effect" </Th> <Td> 2006 </Td> <Td> N'fa </Td> <Td> Directed by Ledger </Td> </Tr> <Tr> <Th> "Seduction is Evil (She's Hot)" </Th> </Tr> <Tr> <Th> "Morning Yearning" </Th> <Td> Ben Harper </Td> </Tr> <Tr> <Th> "Black Eyed Dog" </Th> <Td> 2007 </Td> <Td> Nick Drake </Td> <Td> Directed by and featuring Ledger </Td> </Tr> <Tr> <Th> "King Rat" </Th> <Td> 2009 </Td> <Td> Modest Mouse </Td> <Td> Animated video; conceived by Ledger </Td> </Tr> </Table> <Tr> <Th> Title </Th> <Th> Year </Th> <Th> Performer </Th> <Th> Note </Th> </Tr>

When did they finish filming the dark knight