Worlds collide when Henry makes plans to spend Saturday on the sofa watching a "Gross Class Zero" marathon — and his favorite characters come to life!
| Actor | Role |
|---|---|
 Sue Elliott-NicholsNot listed | Not listed |
 Emma TateNot listed | Not listed |
| LLizzie WaterworthNot listed | Not listed |
| TTamsin HeatleyNot listed | Not listed |
 Aidan CookNot listed | Not listed |
 Wayne ForesterNot listed | Not listed |