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Film historian Leonard Maltin has labelled this final entry in Monogram's "Charlie Chan" series as "embarrassing," but it's not quite as bad as its reputation would indicate. True, star Roland Winters steadfastly refuses to take his characterization of Charlie Chan seriously, but that's part of the fun. Much of the action takes place on an airliner, where someone has drugged the passengers and crew and killed a courier who was carrying a quarter of a million dollars. The suspect list is a dream-come-true for movie buffs, populated with such reliable supporting players as Iris Adrian, Eleana Verdugo, Tim Ryan, Milburn Stone, Lyle Talbot, Paul Maxey and John Eldredge. Noel Neill, everyone's favorite Lois Lane, is also on hand as a stewardess. And of course, Charlie Chan is aided and abetted by Number One Son Lee Chan (Keye Luke) and pop-eyed chauffeur Birmingham Brown (Mantan Moreland). Though out of favor with dyed-in-the-wool Charlie Chan fans, Sky Dragon opened to good business and better-than-average reviews.