User blog comment:Ultimatephinferbfan/Phineas and Ferb Charity Summer 2011/@comment-3029989-20101212154013/@comment-109.78.92.134-20101215172035

I heard on Wikipedia Fall 2011 will be the end of S3. But hey, they don't know as much about the show as we do! And, I calculated since S1 was 2007 to 2009 and S2 will be 2009 to 2011 that would probaly mean that S3 would last from 2011 to 2013!