They've been talking about it for years, but finally Russia's version of Life on Mars - Обратная Сторона Луны (aka Dark Side of the Moon, since Bowie was unknown but Pink Floyd was big in those days) - has emerged, with a modern day Russian policeman travelling back in time 30 years to work with a KGB officer and work out what he's doing there: is he mad, in a coma or back in time?
The big change, apart from it being set in Russia? The KGB lot very much played by the rules so it's the modern-day cop who's the fast-and-loose Gene Hunt to the KGB Sam Tyler. Here's a trailer (no subtitles, I'm afraid).
And if your Russian is good, you can watch the entire first episode (and others), too:
Further reading: BBC Worldwide