HomeTVHeroesHayden’s Dolphin Thermometer Luke Kerr September 8, 2008 Heroes 1 Comment Heroes star Hayden Panettiere dropped by Letterman to promote the third season of Heroes and her efforts to help save endangered whales. Letterman’s response to Hayden’s compassion for the level of mercury in the whale and dolphins’ system, "because of that factor, a lot of people will catch one and mount it on their walls as a thermometer." Ba dum bum. The third season of Heroes premieres on September 22. One Response txriotgrrl September 8, 2008 folks, it’s spelled w-h-a-l-e-s. =) Log in to Reply Leave a Reply Cancel Reply You must be logged in to post a comment.