I see cool videos every day on Twitter, Instagram and Facebook, but this might be one of the best I've ever seen and it's only 12 seconds long.

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This TSA airport sniffing dog was retiring after 8 years. The airport decided to surprise him on his last day, with his last bag check.

The surprise will warm your heart. Check out the video below.

 

I think I've watched this at least 15 times. I simply can't get enough of it.