A Night in Casablanca storyline for the film was intended to be a direct parody of "Casablanca," with the characters having similar-sounding names to the characters and actors in the 1942 film. Groucho Marx has said that an early draft named his character "Humphrey Bogus", a reference to the leading actor in "Casablanca," Humphrey Bogart. Warner Bros. did not actually litigate, or even threaten to litigate, but it did issue a formal inquiry to the Marx Brothers concerning the plot and script of the film. The Marx Brothers exploited the situation for publicity, making it appear to the public that a frivolous lawsuit was
Casablanca (film) protect my investment." The Library of Congress deemed that the color change differed so much from the original film that it gave a new copyright to Turner Entertainment. When the colorized film debuted on WTBS, it was watched by three million viewers, not making the top-ten viewed cable shows for the week. Although Jack Matthews of the "Los Angeles Times" called the finished product "state of the art", it was mostly met with negative critical reception. It was briefly available on home video. Gary Edgerton, writing for the "Journal of Popular Film & Television" criticized the colorization, "... "Casablanca" in