Ausiello Files’ snagged a still from the set of the April 29 Fringe musical episode.  In it, the characters will cover popular songs that will play out in a Walter Bishop hallucination.

Executive producer Jeff Pinkner: “We didn’t set out to do a musical.  We set out to do an episode that explored Walter’s state of mind — he’s dealing with some very upsetting news.  When we realized that the way Walter would deal with such news would be to try to anesthetize himself with copious amounts of marijuana, well, singing and dancing became a natural outcome.”  Agent Olivia Dunham embodies what Ausiello calls “a retro private-eye persona” and Pinkner goes on to tease: “It’ll be interesting to see how Walter really perceives her.”

Fringe airs Thursday nights at 9PM on FOX.

[Via EW-AusielloFiles]