The format involves Evans and his guest eating ten chicken wings, each prepared with a progressively hotter hot sauce. The current final sauce, The Last Dab XXX, has a Scoville rating of 2,000,000. Every season, sauces used on camera are rotated and replaced with new ones. In season 4, "The Last Dab" was introduced and is created by Hot Ones. The first sauce presented is relatively mild such as Sriracha, which has a rating of 2,200 Scoville units. The final sauce (as of season 4), Hot Ones' own The Last Dab (The Last Dab Reduxx starting in season 6, and The Last Dab XXX starting in Season 10), has a Scoville rating of 2,000,000+.