After two popular "Bachelor"-themed weeks this season on "Who Wants To Be A Millionaire," devoted members of Bachelor Nation will have another shot at seeing their faves when "Bachelorette" ANDI DORFMAN and "Bachelor" Season 18 winner NIKKI FARRELL join host Chris Harrison on Thursday and Friday, April 28 and 29, 2016.Dorfman appears as a "Millionaire" contestant on Thursday, April 28, playing the iconic game to benefit charity Dress for Success, with Farrell on hand to support Dorfman as her "Plus One." The next day, Dorfman returns the favor, taking on "Plus One" duties as Farrell plays for the Rehabilitation Institute of Kansas City.