Or, The Power Of The Holidays
Up for Grabs
Narrator: And what happened then? Well, in Whoville they say
that the Grinch's small heart grew three sizes that day.
And then - the true meaning of Christmas came through,
and the Grinch found the strength of *ten* Grinches, plus two!
How the Grinch Stole Christmas!
, By Doctor Seuss
Seen It a Million Times
, A character who hates Christmas (or any other holiday for that matter) attempts to sabotage a holiday, or does nothing to prevent the holiday from being ruined. However, at a critical moment, this character (maybe a hero, maybe a villain) is touched by the spirit of the holiday. Maybe the guy who hates Xmas gets a present, the girl who never got a valentine finally gets a valentine, whatever it is, it touches this character so deeply that they cannot help but be overcome by the True Meaning Of The Holiday. Sometimes this results in the character using whatever abilities they may possess (whether normal abilities, or superpowers, depending on the character), but these abilities are a lot more effective than before (possibly due to the general Xmas spirit, meaning that people are much more willing to help the already charming person, or simply because the character is giving their all to help save the holiday), or the character is able to use an item that is very strongly holiday related (maybe Santa's Hat has magical powers, but only for someone who truly believes in Christmas) but sometimes, very rarely, the character gains super powers (The Grinch gains the strength of ten grinches, plus two, or something similar). Whatever the result, the character uses whatever boost the holiday spirit gives him or her, and uses this newfound ability to save Christmas, reunite lovers on valentine's day, rescue the Easter Bunny, etc, etc.
The best example of this is the source of the quote, How The Grinch Stole Christmas.
However, you can find an example of this in any number of christmas specials, as well as christmas episodes of television shows, as well as shows aired during other holidays. However, lesser known holidays tend not to have much effect on people (who gets moved by the power of Groundhog's Day? Well, except maybe for during Groundhog Day