Sue Ellen Adds It Up

CBBC
Sue Ellen runs into a problem her artistic vision can't solve.

RadioTimes
Sue Ellen is dismissive about maths until she runs into a problem her artistic vision cannot solve.

Major

 * Sue Ellen Armstrong
 * Prunella Deegan
 * Muffy Crosswire

Cameo

 * Arthur Read
 * Buster Baxter
 * Francine Frensky
 * The Brain
 * Binky Barnes
 * Fern Walters
 * George Lundgren
 * Jenna Morgan
 * Molly MacDonald
 * Rattles

Trivia

 * Arthur appears but does not speak in this episode, as well as in the sister episode.