Or Paint them.
While remodeling the house I am in now, I couldn't bring myself to throw away the 25 year old louvered fir doors in the house. Great quality doors in good shape, but the old brown stain was ugly and dated.

A coat of primer and two coats of a high quality white semi-gloss later they look brand new.
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You know something bad is going to happen when you hear..."Hey, hold my beer and watch this"