July 14, 2017 by admin Happier Hour is Back! Starting Monday, July 17th Mister Tuna is launching Happier Hour 5 days a week from 4pm-6pm. Grab your friends, family and coworkers and head to Mister Tuna for the happiest happy hour in Denver! in Uncategorized 0 comments ShareYou may also like2018 Behind the Bar Series at Mister TunaSkip Resolutions and Make Reservations! Mister Tuna NYEMister Claus, Meet Mister Tuna - Celebrate with us!