The Cleveland Show - Season 1 Episode 17 -

When Cleveland is diagnosed with high cholesterol, Donna puts him on a new high-fiber diet, which causes an intestinal backlash. It may stink up the place, but Cleveland quickly realizes his gas might score him a few points in the Broken Stool's karaoke contest. Meanwhile, Quagmire pays a visit to Stoolbend to deliver Cleveland some upsetting news.