Noah Galloway was a contestant  on the 20th season of a tv show that premiered on what date?
Noah Galloway:  He was a contestant on "Dancing with the Stars" season 20, paired with Sharna Burgess. Dancing with the Stars (U.S. season 20): Season twenty of "Dancing with the Stars" premiered on March 16, 2015, and concluded on May 19, 2015.
March 16, 2015