Porridge - Season 1 Episode 2 -

Fletch is caught up in the inmates' mania for gambling and,working on the farm,has lots of eggs to use as stakes. After a falling out with fellow con Ives, Fletch plants the eggs on him for which Ives is punished and gets revenge by tipping MacKay off about an illegal Snakes and Ladders game taking place in the coal-hole. Cue coal being emptied onto the players. However Fletch has the last laugh when he is moved to a single cell ...having bet everybody else that he would be.