The Case of the Mystery of the Wig (cap. 1)

When Ms. Stratford, the bio teacher, turns up in a convertible sports car, starts acting suspiciously and is seen wearing a disguise just like some bank robbers who are on the run, Charly suspects she might be the leader of a bank robbers' gang. Trouble is, Fred's got a crush on her, so he's torn between his loyalty to his friends, and to the love of his life! Charly & Co. use their best detecting skills to solve the mystery. Although truth is very different, they manage to stop the robbers!