Year 1999 (MCMXCIX) was a common year of the Gregorian calendar that started on a Friday. This year, The Powerpuff Girls (1998 TV series) aired the second half of its first season and the first half of the second season.
Timeline[]
January 6: "Major Competition" and "Mr. Mojo's Rising", the first episodes to air in 1999, premiere.
January 13: "Paste Makes Waste" and "Ice Sore" premiere.
January 20: "Bubblevicious" and "The Bare Facts" premiere.
January 27: "Cat Man Do" and "Impeach Fuzz" premiere.
February 3: "Just Another Manic Mojo" and "Mime for a Change" premiere.
April 7: "The Rowdyruff Boys" premieres.
May 27: "Uh-Oh, Dynamo" premieres, concluding the first season.
June 25: "Stuck Up, Up, and Away" and "Schoolhouse Rocked" premiere, beginning the second season.
August 6: "Collect Her" and "Supper Villain" premiere.
August 20: "Birthday Bash" and "Too Pooped to Puff" premiere.
September 10: "Beat Your Greens" and "Down 'n' Dirty" premiere.
September 24: "Dream Scheme" and "You Snooze, You Lose" premiere.
October 8: "Slave the Day" and "Los Dos Mojos" premiere.
November 26: "A Very Special Blossom" and "Daylight Savings", the last episodes to air in 1999, premiere.