If you are looking for a proper index (list) of the original episodes, refer to this structure:
Season 4 consists of 13 episodes . Aired: 1985 (Note: There was a large gap between Season 3 in 1979 and Season 4 in 1985). index of mind your language season 4
: The class is quarantined after catching a mysterious rash. Wedding Fever 📺 Index of Mind Your Language: Season 4