And it's still one of the best pieces of television ever made. My own personal canon would be that, _Ozymandias_ (Breaking Bad), _The Pine Barrens_ (The Sopranos), and honorable mention to the finale of _Blackadder_. What's anyone else's nominations?
Are you saying that viewing number is dubious because the panel is small?
~2000 is a pretty decent sample size. The viewing numbers you should be skeptical about are the very small ones which will have huge error bars, not the huge ones.
To this day it's still in the top 10 of most viewed television events with the other being primarily sports events (e.g. Super Bowl etc)