A homeless Mr Barber spends the night in the school, only for disaster to strike when he causes a fire in Miss Postern's classroom. It falls on the reluctant Mr Gunn to put a roof over his head. The disaster is good news for Mr Church, as Miss Postern moves into his laboratory while her room is redecorated - but they soon find sharing doesn't come naturally.
| Name | Type | Role | |
|---|---|---|---|
| David Walliams | Writer | ||
| Andrew Dawson | Writer | ||
| Steve Dawson | Writer | ||
| Matt Lipsey | Director |