reporter: this is peyton mcally last year celebrating his ninth birthday with friends. a year later he is spending his tenth birthday at miami children s hospital suffering from brain disorder. according to the family s lawyer, the pest control country called sunlen a subcontractor of term terminex used a gas called sulforo fluoride. two days later the family was told it was safe to return but the family all quickly got sick. peyton s condition was the worst. he was his eyes rolling and legs weren t working. he couldn t hold himself up. reporter: the fourth grader who loves playing sports and is known for his smarts and wit now has trouble speaking and moving his arms and legs. his uncle told cnn that peyton