CHARLIE: But you were 24 when you created Family Guy, were you not? Or not?

SETH: Yes. Yep.

CHARLIE: And this went on for how many years now? You have to figure this out if we can do the math.

SETH: I don`t know, 37 years. You know it`s-- it`s-- it`s strange. I actually don`t know how many years. I`ve never been able to answer this question because the thing about an animated show is it takes nine months to do each half hour. Nine months per episode just to do one episode...

Read more: http://newsbusters.org/blogs/tim-graham/2012/07/07/cbss-charlie-rose-toasts-filthy-family-guy-makers-funny-and-smart-career#ixzz1zy7twbsC

http://i112.photobucket.com/albums/n179/TwoToneDearly/PeterGriffinRickRolled.jpg

I was wondering why do animated programs have to have a longer lead time than live-action programs? I think it is trouble, and it is virtually impossible to cut down.

That's as long as making a movie. The first two months are filming the movie and it takes six to seven months to edit, add effects, and put the film together.