Overview
Dennis is very upset because he doesn't know how to whistle, So he spends all day trying to learn how.
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2 - 1Out of Retirement October 02, 1960 -
2 - 2Dennis and the Wedding October 09, 1960
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2 - 3Dennis and the Radio Set October 16, 1960
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2 - 4Dennis and the Ham-pher October 23, 1960
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2 - 5The Stock Certificate October 30, 1960
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2 - 6Man of the House November 06, 1960
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2 - 7The Rock Collection November 13, 1960
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2 - 8Henry and Togetherness November 20, 1960
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2 - 9Paint-up, Clean-up Week November 27, 1960
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2 - 10Dennis Learns to Whistle December 04, 1960
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2 - 11The Raffle Ticket December 18, 1960
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2 - 12The Christmas Horse December 25, 1960
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2 - 13Dennis' Allowance January 01, 1961
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2 - 14Dennis' Penny Collection January 08, 1961
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2 - 15Dennis, the Campaign Manager January 15, 1961
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2 - 16Miss Cathcart's Friend January 22, 1961
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2 - 17Pythias Was a Piker January 29, 1961
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2 - 18Dennis and the Saxophone February 05, 1961
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2 - 19Wilson Sleeps Over February 12, 1961
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2 - 20Dennis' Birthday February 19, 1961
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2 - 21Dennis Goes to Camp February 26, 1961
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2 - 22Dennis' Tool Chest March 05, 1961
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2 - 23The Going Away Gift March 12, 1961
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2 - 24Dennis and the Fishing Rod March 19, 1961
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2 - 25Dennis and the Good Example March 26, 1961
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2 - 26Dennis' Obligation April 02, 1961
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2 - 27The Dog Trainer April 09, 1961
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2 - 28Woodman, Spare That Tree April 16, 1961
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2 - 29The Boy Wonder April 23, 1961
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2 - 30The Soapbox Derby April 30, 1961
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2 - 31Dennis and the Camera May 07, 1961
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2 - 32Dennis and the Miracle Plant Food May 14, 1961
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2 - 33Dennis' Newspaper May 21, 1961
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2 - 34Mr. Wilson's Paradise May 28, 1961
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2 - 35The Fortune Cookie June 04, 1961
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2 - 36The Pioneers June 11, 1961
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2 - 37Father's Day for Mr. Wilson June 18, 1961
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2 - 38Dennis and the Picnic June 25, 1961