<P> The fifth recurring theme is the appearance or arrival of strange objects, like a WWII mine, a crate of radioactive vegetable seeds or a "Mars Rover" that the scientists back in the USA think is sending them pictures of Mars, and in one episode a meteorite . </P> <P> Most of the slapstick comedic sequences between Hale and Denver were heavily inspired by Laurel and Hardy, particularly by Hale breaking the fourth wall by looking directly into the camera expressing his frustration with Denver's clumsiness as Oliver Hardy often did . </P> <P> Filming of the show took place at the CBS Radford Studios complex in Studio City, Los Angeles . The same stage was later used for The Mary Tyler Moore Show and Roseanne, which featured Gilligan's Island prominently on one episode . The lagoon was drained and used as a parking lot during the show's off - season and was the last surviving element of the show when it was demolished in 1997 as part of an expansion project . </P> <P> Four different boats played the part of the SS Minnow . One was used in the opening credits and rented in Ala Wai Yacht Harbor in Honolulu . Another boat, the Bluejacket, was used in the opening credits shown during the second and third seasons and eventually turned up for sale on Vancouver Island in August 2006, after running aground on a reef in the Hecate Strait on the way south from Alaska . One boat was used for beach scenes after being towed to Kauai in Hawaii . The fourth Minnow was built on the CBS Studios set in the second season . The Minnow was named in reference to Newton Minow, chairman of the U.S. FCC, who was most famous for describing television as "a vast wasteland". </P>

Where was the lagoon in gilligan's island
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