Zeppelin vs. Pterodactyls
One of the wacky ideas floated by Hammer Films in 1971 but never developed beyond a sweet poster was 'Zeppelin vs. Pterodactyls.' People have said it's tragic this movie was never made. Now tragically it has been made, a mashup of public domain cliffhanger serials and old movies. It has been touted as an original concept but apparently some of the cut scenes have been proven false without a doubt
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then there is this! supposedly a rare collaboration between Fleischer Studios and Ub Iwerks resulted in this cartoon, based on the above flick. The cartoon apparently was shelved for half a century due to a three way legal dispute between Republic, Fleischer and Iwerks. The Academy of Motion Picture Arts and Sciences rejected Oscar nominations for Ben Burtt's sound design in the cartoon because it had not been formally released and because of the legal status.
All bullshit of course.
Peter Montgomery an independent film maker has been developing a tribute using modernand affordable effects. This is quite interesting and a click on the link will take you to his youtube page for a bit more.