Castaways Pictures Presents - S2-E7
Plot hole: This movie was made so the castaways could be rescued, but how could they be found? The map the Skipper was pointing to didn't have anything on it that could realistically show where they exactly were, and all scenes in the film wouldn't help them get found at all, just made for good laughs.
Castaways Pictures Presents - S2-E7
Plot hole: During all their filming for their "silent" movie, the castaways are using talking in actual dialog to explain their overall situations on the island, but when played back at the end, it's just showing them all talking sped up without hearing voices being a silent picture. What was the point of them filming then with actual words? They may as well just moved their mouths randomly without actual words coming out. In addition, where did the "music" come from throughout the movie?
Castaways Pictures Presents - S2-E7
Continuity mistake: At the end of the filming, the Professor is drawing a line down the east coast of the United States on the board. When watching the film, the line is missing at the end.
Castaways Pictures Presents - S2-E7
Continuity mistake: After Mary Ann drops the basket, two pieces of fruit pop out of it. When Gilligan goes to pick it up, he picks up several pieces.
Castaways Pictures Presents - S2-E7
Continuity mistake: As Thurston calls cut, in the wide shot Gilligan stops and his spear dips with the tip down. In the closeup, Gilligan is now holding the spear straight up by his side.
Castaways Pictures Presents - S2-E7
Continuity mistake: The amount of rope around Mary Ann varies between shots.
Answer: Bob Denver answered this when he was on a talk show hosted by Pat Sajak. He said they were going to write into an episode where the castaways found all these clothes, but it got too complicated, so he said, they decided, "who cares, it's only a TV show," and forgot about it. So the writers and actors even asked this, they just never bothered to address it.