<Table> <Tr> <Th colspan="2"> Season </Th> <Th colspan="2"> Episodes </Th> <Th colspan="2"> Originally aired </Th> </Tr> <Tr> <Th> First aired </Th> <Th> Last aired </Th> </Tr> <Tr> <Td> </Td> <Td colspan="1"> </Td> <Td colspan="2"> 13 </Td> <Td colspan="1"> April 18 , 2008 ( 2008 - 04 - 18 ) </Td> <Td> August 31 , 2008 ( 2008 - 08 - 31 ) </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> </Td> <Td colspan="2"> 13 </Td> <Td colspan="1"> October 10 , 2008 ( 2008 - 10 - 10 ) </Td> <Td> March 27 , 2009 ( 2009 - 03 - 27 ) </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> </Td> <Td colspan="2"> 20 </Td> <Td colspan="1"> September 11 , 2009 ( 2009 - 09 - 11 ) </Td> <Td> March 26 , 2010 ( 2010 - 03 - 26 ) </Td> </Tr> <Tr> <Td> </Td> <Td colspan="3"> Movie </Td> <Td colspan="2"> November 25 , 2009 ( 2009 - 11 - 25 ) </Td> </Tr> </Table>
<Table> <Tr> <Th colspan="2"> Season </Th> <Th colspan="2"> Episodes </Th> <Th colspan="2"> Originally aired </Th> </Tr> <Tr> <Th> First aired </Th> <Th> Last aired </Th> </Tr> <Tr> <Td> </Td> <Td colspan="1"> </Td> <Td colspan="2"> 13 </Td> <Td colspan="1"> April 18 , 2008 ( 2008 - 04 - 18 ) </Td> <Td> August 31 , 2008 ( 2008 - 08 - 31 ) </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> </Td> <Td colspan="2"> 13 </Td> <Td colspan="1"> October 10 , 2008 ( 2008 - 10 - 10 ) </Td> <Td> March 27 , 2009 ( 2009 - 03 - 27 ) </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> </Td> <Td colspan="2"> 20 </Td> <Td colspan="1"> September 11 , 2009 ( 2009 - 09 - 11 ) </Td> <Td> March 26 , 2010 ( 2010 - 03 - 26 ) </Td> </Tr> <Tr> <Td> </Td> <Td colspan="3"> Movie </Td> <Td colspan="2"> November 25 , 2009 ( 2009 - 11 - 25 ) </Td> </Tr> </Table>
how many episodes are in ben 10 alien force season 1
how many episodes are in ben 10 alien force season 1
13
13