Question: When was the 8th season of the show premiered in which Samantha Jo "Mandy" Moore have appeared and  which is an American television reality program and dance competition airing on the Fox network?
Sentence (from "Dansefeber (season 2)"): Runner-up were hip-hop dancer Eric Nærbø, with jazz dancer Michelle Purvis finishing 3rd, and Latin ballroom dancer Bjørn Holthe finishing 4th.
Relevant evidence: No