'Allo 'Allo! (series 4)
The fourth series of the British sitcom series 'Allo 'Allo! contains six episodes which first aired between 7 November and 12 December 1987.
Series 4 marks the last regular appearance of Sam Kelly as Captain Hans Geering; though he returned for a one-off special appearance in series 7. Francesca Gonshaw left at the end of the third series; though the exit of her character, Maria, is not explained until the second episode of this series. This series also sees the first appearances of Sue Hodge as Mimi Labonq in the third episode, as the new café waitress; and in the same episode Gavin Richards as Captain Alberto Bertorelli, the seconded Italian captain.
The following episode names are the ones found on the British R2 DVDs with alternate region titles given below them.
| Series No. | Episode No. | Episode title | Original UK airdate |
| 4.01 | 22 | Prisoners of War | 7 November 1987 |
| 4.02 | 23 | Camp Dance | 14 November 1987 |
| 4.03 | 24 | Good Staff Are Hard to Find | 21 November 1987 |
| 4.04 | 25 | The Flying Nun | 28 November 1987 |
| 4.05 | 26 | The Sausages in the Trousers | 5 December 1987 |
| 4.06 | 27 | The Jet-Propelled Mother-In-Law | 12 December 1987 |