Comics legend Stan Lee recently turned 91 but he's set to tackle TV across mediums this year.  We already know that he'll appear on an upcoming episode of Marvel's Agents of S.H.I.E.L.D., but now we have a look at Lee in animated form for his appearance on a new episode of The Simpsons.  While this will mark Lee's second time on the show, it will be the first animated adventure for long-time author Harlan Ellison, who will also be playing himself.  The episode, titled "Married to the Blob", airs on Fox this Sunday at 8pm.  Hit the jump to watch the behind-the-scenes featurette.

Check out the behind-the-scenes look at the upcoming episode of The Simpsons below:

And here's a bonus clip featuring The Simpsons' tribute to anime in the same episode:

Comic Book Legend Stan Lee and Award-Winning Author Harlan Ellison Guest-Voice

Comic Book Guy realizes his comics are nothing if he can’t share them with anyone. Then he meets Kumiko, a Japanese woman writing an autobiographical manga, and he seeks out Homer’s advice on how to date her, ending happily for everyone in the all-new “Married to the Blob” episode of THE SIMPSONS airing Sunday, Jan. 12 (8:00-8:30 PM ET/PT) on FOX.

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