Knock Knock
| Episode Number | 4 |
|---|---|
| Season | 10 |
| Aired | 2017-05-06 |
| Overview | Why do floorboards creak? When a sinister landlord shows Bill and her friends the perfect houseshare, they have no idea what lies ahead... knock knock, who's there? |
| Runtime | 44 minutes |
| Absolute Number | 135 |
| Finale Type |