Danger Zone is American hard rock band Hardline's fourth studio album, and their first since Leaving the End Open. Johnny Gioeli is the sole returning member from the Leaving the End Open lineup, and is joined by keyboardist and producer Alessandro Del Vecchio, guitarist Thorsten Koehne, bassist Anna Portalupi, and drummer Francesco Jovino. Danger Zone was released in Europe on May 18, 2012, and in America on May 22, both through Frontiers Records.