Submarine / Chuckie's a Lefty

Stu & Didi start a new baby book for Dil, to keep track of various firsts that will occur in Dil's early years. At first, of course, the book is blank, which led Angelica getting the babies to believe that Dil is not so smart. Trying to prove otherwise, Angelica and the Rugrats ""train"" Dil.