![John Kenneth Muir's Reflections on Cult Movies and Classic TV: Saturday Morning Cult-TV Blogging: Mystery Island (1977): "Matter of Gravity" John Kenneth Muir's Reflections on Cult Movies and Classic TV: Saturday Morning Cult-TV Blogging: Mystery Island (1977): "Matter of Gravity"](https://1.bp.blogspot.com/-UIeLfQjwRXE/VPM9y7M4ofI/AAAAAAAA6LY/R5TX0fX46p8/s1600/mysteryisland5.png)
John Kenneth Muir's Reflections on Cult Movies and Classic TV: Saturday Morning Cult-TV Blogging: Mystery Island (1977): "Matter of Gravity"
![John Kenneth Muir's Reflections on Cult Movies and Classic TV: Saturday Morning Cult-TV Blogging: Mystery Island (1977): "Matter of Gravity" John Kenneth Muir's Reflections on Cult Movies and Classic TV: Saturday Morning Cult-TV Blogging: Mystery Island (1977): "Matter of Gravity"](https://4.bp.blogspot.com/-UsjI8SjB2T0/VPM90p7DW5I/AAAAAAAA6Lw/2xKMm0Nkk1I/s1600/mysteryisland9.png)
John Kenneth Muir's Reflections on Cult Movies and Classic TV: Saturday Morning Cult-TV Blogging: Mystery Island (1977): "Matter of Gravity"
Why don't we see much of Hanna-Barbera cartoons in cable TV (Flintstones, Yogi Bear, Jetsons)? All I see around is Scooby-Doo. Is there a marketing reason? Someone told me that some of
![John Kenneth Muir's Reflections on Cult Movies and Classic TV: Saturday Morning Cult-TV Blogging: Mystery Island (1977): "Matter of Gravity" John Kenneth Muir's Reflections on Cult Movies and Classic TV: Saturday Morning Cult-TV Blogging: Mystery Island (1977): "Matter of Gravity"](https://3.bp.blogspot.com/-H5asA2_7ob4/VPM9xbqqg8I/AAAAAAAA6LE/DasneD90_kk/s1600/mysteryisland1.jpg)