Top 10 Programs Broadcast by National Geographic Channel

The Top Ten
1 Islands
2 Great Migrations
3 Crimes Against Nature
4 Alien Invasion
5 Journey to the Edge of the Universe
6 Mad Labs
7 Frequently Asked Questions
8 DogTown
9 Brain Games
10 Dangerous Encounters
The Contenders
11 Big, Bigger, Biggest
12 Number Games
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