Two of mankind's favorite things come together in a supercut of every video that's ever cracked you up with hilarious footage of babies laughing at dogs. Usually the dogs just look perplexed because, well, even we sometimes wonder what's going through a baby's mind. They're enigmas. But when they giggle, it's pure joy. If you're having a bad day or you're just plain bored, check out this cuteness and turn that frown upside down. You won't regret it.