saw claude playing with the stick doing all these amazing tricks. at the time i was filming it, i was thinking this could get millions of view on youtube. >> alex decides to make his vision a reality. he comes home from his trip and edits together a montage of claude's best moves. the bear's tricks are so unbelievable that even alex's sister yuki thinks it's a fake. >> there's a ton of crazy stuff in japan, so i thought maybe it was a show or something. then he's like, no, it's real. >> alex uploads the video in september 2009. >> i start getting thousands of views. started getting really excited. then week after week it kept blowing up. >> before long, the video entitled "kung fu bear" receives more than 3 1/2 million hits on youtube. the video's so popular, it spawns numerous parodies. >> good morning, ninja bear. time to complete your ninja