Really worth a watch. The one on the show was maybe 15 minutes. Altogether, this runs about 26.
http://blog.indecisionforever.com/2009/03/13/jon-stewart-and-jim-cramer-the-extended-daily-show-interview/ It seems like Stewart almost considers it his obligation - maybe more than that (crusade?) - to try and be a financial educator. Kudos to Comedy Central for giving him (relatively) free reign. And kudos to Mr. Cramer for being such a good sport.
WARNING: Some NSFW language.