<Tr> <Th> No . </Th> <Th> Title </Th> <Th> Original air date </Th> </Tr> <Tr> <Th> </Th> <Td> "Earth 2.0" </Td> <Td> September 1, 2010 (2010 - 09 - 01) </Td> </Tr> <Tr> <Td_colspan="3"> Dr. Kaku comes up with plans for the construction of Earth 2.0 (a second Earth). </Td> </Tr> <Tr> <Th> </Th> <Td> "Galactic Colonization" </Td> <Td> September 1, 2010 (2010 - 09 - 01) </Td> </Tr>

Sci fi science physics of the impossible season 2 episode 12