Step 1 : Introduction to the question "3. (1988) A private eye, played by Bob Hoskins, gets involved with a murder and a lot of Toons in this live action/animated feature film. Name this unusual flick."
...1. Judge Dredd 2. Whatever Happened to Baby Jane? 3. Chitty Chitty Bang Bang 4. Who Framed Roger Rabbit? Directed by Robert Zemeckis ("Back to the Future"), this film is usually considered to be the first film to convincingly portray the interaction of live and animated characters. (Submitted by seamonster)