You're on Nickelodeon, Charlie Brown/It's a Mystery, Charlie Brown

"It's a Mystery, Charlie Brown" is the 11th animated primetime special based on the newspaper comic strip Peanuts, originally aired on CBS on February 1, 1974.
Below is a list of all known airings to date of this episode on Nickelodeon:
==1998==
Air Date 	Time 	No. of Airings
January 24, 1998 	3:00pm	1
March 3, 1998 	3:00pm	2
April 6, 1998 	8:00am	3
May 6, 1998 	3:00pm	4
June 14, 1998 	7:30am	5
July 14, 1998 	2:00pm	6
August 18, 1998 	8:00am	7
September 18, 1998	3:00pm	8
November 1, 1998 	8:00am	9
December 9, 1998 	2:00pm	10
==1999==
Air Date 	Time 	No. of Airings
February 21, 1999	8:00am	1
June 11, 1999 	8:00am	2
December 5, 1999 	7:00am	3
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