All repeats of Castle's On The Air
British Comedy Guide's database records a total of 4 Castle's On The Air repeats.
| Episode | Date and time | Channel |
|---|---|---|
| Unknown | 12/02/2022, 19:00 | Radio 4 Extra |
| Unknown | 12/02/2022, 09:00 | Radio 4 Extra |
| Unknown | 14/07/2018, 19:00 | Radio 4 Extra |
| Unknown | 14/07/2018, 09:00 | Radio 4 Extra |