10 facts about Puppy Bowl as it enters its second decade

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(CNN) — The first Puppy Bowl aired on February 6, 2005, on a hunch that viewers would tune in to watch puppies run around a small replica of a football field.

Boy, did they ever.

As the popular sideshow enters its second decade, it has become one of Animal Planet’s most popular shows, with animal lovers around the world looking forward to it.

Here are ten things you may not know about the Puppy Bowl:

1. In 2014, 13.5 million watched various airings of the Puppy Bowl, according to Discovery.

2. First lady Michelle Obama introduced the Puppy Bowl in 2014

3. Almost all the animals are available for adoption

4. The puppies tend to range in age from 12 to 21 weeks old

5. In recent years, the Puppy Bowl has been re-broadcast in a 12-hour marathon

6. The idea for the Puppy Bowl came from the holiday Yule Log broadcasts

7. Unlike the Super Bowl, there’s very little in the way of commentary during the Puppy Bowl

8. The Kitty Halftime Show grows more elaborate each year, adding such talent as Keyboard Cat in 2014

9. The Super Bowl has yet to have a double touchdown, unlike the Puppy Bowl.

10. Not to be outdone, the Hallmark Channel started the Kitten Bowl last year