Cake in the Oven

Story
Mario and Princess Peach find out that Peach is having twin boys.

Characters

 * Mario
 * Luigi
 * Princess Peach
 * Princess Daisy
 * Paul
 * Peter

Minor Characters

 * Bowser
 * Bowser's kids
 * Doctor Toad

Trivia

 * This episode features the first appearance of Paul and Peter.
 * This is the first time a character is in the hospital.