A dog had quite the reaction to meeting a robot dog, and it was all caught on video. 

The small dog, named Fido, could not decide whether to be scared or curious after he meets a robo-dog named Spot. 

Spot was created by Google’s Boston Dynamics, which is an engineering company that makes research robots for the military. 

Although the robo-dog is three times his size, the didn’t phase little Fido as he told the wannabe dog to back off. 

Spot is the latest quadruped robot from Boston Dynamics, and is the only one outside of the military. 

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