Adventures in Babysitting

Adventures in Babysitting is the sixteenth episode of Ben 10.

Synopsis
Ben, Gwen and Max encounter a family who are kind of their mirror selves.

Major Events

 * Simon Sez, Ryan Sez and Maxine make their debuts.

Characters

 * Ben Tennyson
 * Gwen Tennyson
 * Max Tennyson
 * Ryan Sez  (first appearance)
 * Maxine  (first appearance)

Neutral

 * Simon Sez  (first appearance)

Aliens Used

 * Stinkfly
 * XLR8
 * Four Arms

Trivia

 * This episode aired as the 12th episode in U.S.
 * This episode shares its name with the movie Adventures in Babysitting.