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When Wilbur designs a post office with a Pony Express statue, Ed becomes amazed at the thought that his ancestors used to deliver mail.
First Air Date : Jan 05, 1961
Last Air date : Feb 06, 1966
Episode : 143 Episode
Season : 6 Season
Runtime: 30:14 minutes
Studio: CBS, Syndication
Country: United States of America
Crew: