Season 5, episode 9
Writer: Kristin Cantrell
Director: Tommy Gromley (with animation by 6 Point Harness)

Walter Bishop's most epic LSD trip ever — an attempt to recover lost memories of his master plan to defeat the Observers — allowed Fringe to creatively cut loose with some novel storytelling devices, none more inspired than a cartoon romp rendered in the style of Terry Gilliam's stop-motion Monty Python animation.