Why Do Dogs Sniff Butts?

Our young inquirer, Angie, asks our intrepid inventors, Blynk and Aazoo, "Why do dogs sniff butts?" With the help of our intergalactic science expert, Anthony, learn about dogs' super sense of smell, why dogs smell butts, and different ways both humans and animals greet each other. Blynk invents a Universal Greeting Suit that quickly gets out of hand.