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Richie, Potsie, and Ralph go on a trip to Chicago with the school choir. Not wanting to stay in their hotel room all night, they decide to sneak out and see a show.
First Air Date : Jan 15, 1974
Last Air date : Sep 24, 1984
Episode : 252 Episode
Season : 11 Season
Runtime: 22:30 minutes
Studio: ABC
Country: United States of America