|The Big Freeze|
|Series 5, Episode 2|
|Air Date|| Welsh: 14 October 2003|
English: 5 April, 2005
Australia: 21 April 2006
|Previous||Danger Falling Sheep|
|Next||Twist of Fate|
The Big Freeze is the second episode of the fifth series.
Norman raises everyone's temperature with the bed he builds for his pet lamb Woolly, but Norman leaves the electric blanket unattended and causes a fire.
- Fireman Sam
- Penny Morris
- Elvis Cridlington
- Station Officer Steele
- Dilys Price
- Bella Lasagne
- Trevor Evans
- Norman Price
- In some versions of the episode, Norman can be heard counting sheep during the end credits.
- In some versions of this episode, Elvis can be seen turning off the power before Sam even enters Norman's room.
- In the title card, Woolly is wearing Elvis' earmuffs and scarf.
- When Norman and Woolly come into Norman's bedroom to see that the electric blanket on fire, Norman has his winter gloves on, but when he come back downstairs, Norman's gloves disappear, when they're back outside his gloves are back on again.
- In this episode, Bella already has her pizza oven even though it is seen being installed in Pizza Palaver.
- Joanna Ruiz is credited despite not voicing any characters in this episode.