lists several .ogv files, though users often report these as being inconsistent in quality or content. Text/Support Files full text archive
Why make the effort to watch a 45-year-old sitcom full of "Meesta Brown, I am the chewing the gum" jokes? mind your language season 4 internet archive work
If you are looking to verify the content you find, the 1986 season typically includes: Files for mind-your-language-s-01-e-02-an-inspector-calls lists several
The "work" done by the Archive community includes: lists several .ogv files
The presence of Season 4 on the Internet Archive operates in a gray area, which explains its availability:
Look for collections titled: Mind Your Language - The Complete Series or Mind Your Language S04 DVDRip