we're going back. >> don't go with joel mchale. he has bad intentions for you.gs on the treadmill or what? >> he didn't really take to the treadmill well, but lots of walks. >> you think he could lose another 20 pounds? >> no. >> this is the healthy weight, right? >> yes. he's perfect at this weight. i got him down to 21 pounds. come on in, joel. >> congratulations on your dog losing weight. >> this is dr. alvarez. you're not obie's actual vet, but how common is the dog obesity problem? >> it's the number one problem we see in our practices. let's have a seat, everybody. is it owners overfeeding everybody? >> i think the main cause of weight problems is the food they get outside of their scheduled feeding time. it's the treat they get at the bank, when they go for a walk, sit pretty, get a treat. it's like getting cookies all day long. >> joel, what do you think? >> is america the only place that has the obese dog question? >> that problem is across the country for sure. >> right. but do other countries have fat dog problems? >> yes, they do. >> all right. not j