Wailing in a Winter Wonderland

Wailing in a Winter Wonderland is the Christmas episode of The Flying Nun that debuted on ABC on December 21, 1967.

Plot
Convent San Tanco's nuns draw names to provide Christmas presents for one another and Sister Bertrille draws Sister Olaf, an elderly nun from Scandanavia who's one wish is to see snow fall again before she dies. The young nun connives with the U.S. Weather Bureau to produce a snowstorm over the convent with disastrous results.