<P> The series premiered on Cartoon Network in the United States on April 18 , 2008 and on Teletoon in Canada on September 6 , 2008 , and ended on March 26 , 2010 . The series was originally produced under the working title of Ben 10 : Hero Generation . The series ran for a total of three seasons and forty - six episodes with its final episode being aired on March 26 , 2010 . </P>
<P> The series premiered on Cartoon Network in the United States on April 18 , 2008 and on Teletoon in Canada on September 6 , 2008 , and ended on March 26 , 2010 . The series was originally produced under the working title of Ben 10 : Hero Generation . The series ran for a total of three seasons and forty - six episodes with its final episode being aired on March 26 , 2010 . </P>
when did ben 10 alien force come out
when did ben 10 alien force come out
April 18 , 2008
April 18 , 2008