In the episode "Intern for the Worse", the caricature of himself appears in the episode, voiced by John DiMaggio, which is interesting, as he previously worked on Futurama.
"Making the Case"
"Pets Peeved"
"Out of the Picture"
"The Mad Scientist"
"Absent Minded"
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Darin's birthday (1031) is hidden in a few episodes he boarded.[2] These are all the known occurrences:
"Making the Case" - On the lower-right corner of the camera screen when Lincoln records his sisters doing embarrassing things.