<Li> A parody of the song was used on an E3 commercial on G4TV in 2005 . </Li> <Li> The Family Guy episode "Believe It or Not, Joe's Walking on Air" is a play on the song's name . It is also sung by Peter in "The Man with Two Brians ." </Li> <Li> The episode of The Goldbergs "Snow Day" features the song . </Li> <Li> A part of the song is sung by the Dog of Wisdom at the end of the short animated film of the same name . </Li>

Who sings the greatest american hero theme song