Basil Fawlty hammering hapless waiter Manuel or being knocked out by a plunging moose's head. Victor Meldrew looking on in disbelieving despair as a squadron of garden gnomes lands on his doorstep.
Pretentious social climber Hyacinth Bucket - while insisting her surname is pronounced like 'Bouquet' - peering at friends living next door for fear they might just be getting one up on her in neighbourhood bragging rights.
Or else flatmates Mark Corrigan and Jeremy Usbourne numbly succumbing to watching the TV in their drab Croydon towerblock, with occasional diversions such as losing a snake at a house party or capturing and gagging a love rival.
These are just some of the familiar scenes and settings beamed into millions of homes - and such homes featured in Britain's most beloved sitcoms have also gone up for grabs in real life, while prompting curious visitors taking selfies outside.
A three-bedroom terraced house that provided the backdrop to classic BBC show One Foot In The Grave has just gone on the market for £337,500, in the Walkford suburb of Christchurch, Dorset.
