Did Principal Skinner make a mistake when he offered his prized student a ride on a submarine. "Yellow Subterfuge" is the seventh episode of the show's 25th season.
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A picture of Principal W. Seymour Skinner in all his glory saluting. Poor skinner is a vietnam vet and tries so hard to be a good man, but succumbs to the will of his mother and Bart Simpson.
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The Simpsons Quotes

Marge: Tomorrow night, it might be nice to go out for dinner.
Homer: Tomorrow night? Friday? Pork chop night? Marge! We haven't missed pork chop night since the great pig scare in '87!

Wow, now I see why they call you Miss Hoover. You must have been vacuuming for an hour.

Bart