Bart suspects a paroled Sideshow Bob is up to his old tricks when he is hired by his brother Cecil to assist in the construction of a dam.
Sideshow Bob is released from prison into the custody of his younger brother Cecil (voiced by David Hyde Pierce), Springfield's Chief Hydrological Engineer. He works as the foreman on a new hydroelectric dam. Bart is convinced that Bob is up to something shady again, and follows him everywhere.—crouchbk