Story arc

A story arc is a subject which is featured over the course of two episodes or more.

A list of story arcs:
 * Bea, Milo and Oscar's friendship (in every episode).
 * Milo and Oscar's experiences as brothers.
 * Bea's problems with her parents.
 * Clamantha's love interest in Oscar.
 * Bea's dream to be an actress.
 * Oscar and Angela's relationship.
 * Milo and Pamela Hamster's relationship.