Father's Day Car Show The 23rd Annual Father's Day Car Show presented by Kendall Auto is back! Join us in front of the State Capitol Building on Sunday, June 21st, from 10 am to 3 pm, to celebrate Father's Day with vehicles showcasing transportation's past, present, and future. Over 120 vehicles, 11 different award categories, and various pop-ups and entertainment. Come check out the FREE show, let your kiddos stop at DT Plays for free yard games, and lay your eyes on a slick 1950's hot rod. Then enjoy the best shopping, dining, and services our city has to offer, only in Downtown Boise.