The puppy in this video has a unique habit when eating. He support himself entirely on his upper arms. And because his head is still proportionately larger at this time, the majority of his weight when he eats is toward the front of his body. He is quite focused on his meal, and when he leans forward, his entire body went, and flips over onto his food.
I read that this is not uncommon for puppies since their heads are usually disproportionately large at certain points of growth. So while they are eating, especially if they lean forward, sometimes it tips them over. I’m sure it’s not that amusing for the puppy. One moment you are eating, the next moment you are in your food.
Enjoy this short moment of amusement. To us anyway.