By Brandy McDonnellToday's featured event: Plunge into the colorful undersea world of Bikini Bottom as the national tour of "The SpongeBob Musical," the Tony-winning Broadway hit based on the 20-year-old Nickelodeon animated series, opens in Oklahoma City at 7:30 tonight at the Civic Center Music Hall, 201 N Walker.Aimed at multigenerational audiences, performances continue at 7:30 p.m.Read more on NewsOK.com