S5, E12: In the prequel to Rugrats: The Movie, Chas is working on his family tree. Tommy and Chuckie decide that they're from the same tree and decide that they're really brothers.

Starring Miriam Margolyes
S5, E12: In the prequel to Rugrats: The Movie, Chas is working on his family tree. Tommy and Chuckie decide that they're from the same tree and decide that they're really brothers.