First, watch the original video of a man trying to recall his dog:
http://www.youtube.com/watch?v=3GRSbr0EYYU

Now see what the internet did with it.

Jurassic Park: http://www.youtube.com/watch?v=ktFMBfYkxAU

Lion King: http://www.youtube.com/watch?v=RniwRxDexic

An American Werewolf in London: http://www.youtube.com/watch?v=rFppcyRMRM4

Ponyville: http://www.youtube.com/watch?v=QYGZ1ZGR8RU