Blunderkind

in 1988, 12-year-old boy genius Henry Jameson sends his best friend, George, into the future to discover the resolution of a cliffhanger episode of the hit detective show Columbo (1971) but he loses him somewhere in time. 20 years later, Henry has become a degenerate alcoholic when 12-year-old George appears on his doorstep. Henry is forced to overcome the loser he has become to find a way to send George back to the 80s. Hilarity ensues!