Looking for something different to do while at Mark Twain Lake? Then get your tickets to see Hal Holbrook in Mark Twain Tonight. Saturday, May 8, 2010 at Hannibal High School Auditorium. Doors open at 7:00 p.m. Trouble begins at 8:00 p.m. Proudly presented by The Mark Twain Boyhood Home and Museum. Call 573 221 9010 ext. 404 to reserve your seats.