Back to the Future· Season 2 · Episode 12
St. Louis Blues
While at the Brown house, Doc's hair cutting invention wreaks havoc on Marty's hair. Marty and boys go to find Doc, who is with Clara at the 1904 World's Fair, to fix this mess. But Marty then gets put in a side show by P.T. Tannen.
Not streaming in your region — see every region's options