Conversation so far:
Did GIlliam direct The imaginarium?
The Imaginarium of Doctor Parnassus, directed and co-written by Gilliam.
Who did he co-write with?
his writing partner Charles McKeown.
How did Gilliam approach making the film?
CANNOTANSWER.

Question: When did it come out?
Self-contained rewrite: When did The Imaginarium come out?