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Biff's Summer Tour stops at Niagara Falls. Meanwhile, during CBS Mailbag, George Clarke talks about his plans for the Fourth of July; Alan Kalter struts his "mastery" of the French language.
First Air Date : Aug 30, 1993
Last Air date : May 20, 2015
Episode : 4252 Episode
Season : 22 Season
Runtime: 63:60 minutes
Studio: CBS
Country: United States of America
Crew: David Letterman (Writer)