How many movies have George Burns and Lucille Ball acted in together?

They have worked on 5 movies together! Their first movie together was The Dean Martin Christmas Show (1968) and was their highest rated movie together. They have not worked together since The Best of the Dean Martin Celebrity Roasts (1998). They are most known for their comedy films together.

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Self - Roastee (archive footage)
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Self - Roastee (archive footage)
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Self (voice) (uncredited)
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Janet (uncredited)
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Self
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Statue of Liberty (voice)
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Self (uncredited)
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Self - Guest (uncredited)