Tied with Big Yin (Series 3, Episode 4) as the highest rated episode of Still Game on IMDb. Both have an average rating of 8.9/10.
In the post credit - Winston is standing next to the lift doors which then opens, he walks in and there is no lift just an open shaft and he falls into it.
The same thing happens in American show called L.A Law where Rosalind Shay falls to her death.