The Bullwinkle Show
Bullwinkle's Corner - Excelsior
E88 Jan 22, 1961 TV-Y
Bullwinkle climbs a mountain and yells "Excelsior!" because he works for Smith, Jones & Jakes- which is a lumber company- and excelsior is a product that it sells.
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Cast of Bullwinkle's Corner - Excelsior