Special Strips
Appearance
On a few occasions, special strips unrelated to the ongoing story have occured in daily and Sunday stories.
The Merry Christmas strips
In 1934, 1935 and 1937, special Merry Christmas strips were published in the dailies on December 25th. A similar strip was published for The Phantom in 1938.
The Defenders of the Earth strip
The Sunday strips of Mandrake the Magician, The Phantom and Flash Gordon from September 28th 1986 were made as a promotional strip for The Defenders of the Earth series.
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Mandrake the Magician
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Flash Gordon
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The Phantom
The Earth Day strips
In 2008 and 2009, special Earth Day strips were published in the dailies on April 22nd.