When Sarah and James discover that the Wholefish Café is about to have its one millionth customer, they convince Bronwyn that there should be a big celebration to mark the event.

When the power goes out at the fire station, Sam has trouble lighting a fire.

Station Officer Steele hurts his back and Chief Fire Officer Boyce fills in his role for the day.

Pontypandy is holding a Charity Concert and Elvis is to be the star act. Mike and Elvis have got a giant wooden guitar, but they fail to see a cliff and Mike ends up falling down, clinging onto it.

Mandy wants to be a round-the-world yachtswoman, but when her mast breaks she finds herself stranded at sea.

Sarah and James have got a pet guinea pig and name him Norris, Station Officer Steele's real name, but then the guinea pig's taste for cables soon leads to a fire.

Huge footprints in the snow convince Sarah that there's a polar bear in the area. But she and James get into difficulties when they try to photograph it for a local newspaper competition.

It's a big day in Pontypandy, Gareth is opening the Pontypandy mountain railway line and station; he has refurbished the old engine, The Pontypandy Flyer, to take people up and down the mountain. But the water tower threatens to fall and put the train in danger.

When Mandy reads Moose Roberts’ book about his mountain climbing adventures, she decides that she wants to be a mountain climber when she grows up – and climb the highest mountain in the world!

When Bronwyn gives her father Gareth Griffiths a sausage sandwich for his lunch, she has no idea the lengths Nipper the dog will go to for a bite!

Sarah makes up a story about a monster to get more customers on her Grandad's railway.

Dilys tries her best to help her "little treasure" Norman get his Pontypandy pioneer fishing badge, with disastrous results.

When Trevor is driving his bus to Newtown he skids off the road and lands in a nearby lake. Moose Roberts decides to look for help and leaves but when Trevor starts a fire to keep the group warm the ice on the lake cracks and Fireman Sam comes to help

Norman Price causes havoc on Halloween, when he tries to collect more sweets than the other children.

Charlie takes the schoolchildren on a fishing trip and catches the biggest shoal of fish ever.

Station Officer Steele discovers his old fire engine, Bessie, which turns out to be useful in a railway emergency.

When Norman and Derek see a video of a champion snowboarder they decide to try snowboarding with an ironing table Norman makes a course with snowmen but when Derek crashes a snowball falls and begins to get bigger and is heading towards the road!

Tom and Moose take the Pontypandy Pioneers on a mountain climbing expedition.

Norman spoils everyone's trip to the lighthouse by locking them all out on the balcony in a bid to avoid cleaning Mike's muddy van, which he ruined.

Christmas is coming and there is to be a competition for the best Christmas lights in Pontypandy.

Mandy offers to babysit Lily when Helen Flood invites Mrs. Chen and Penny over for a girls' night in, but things take a dangerous turn when some curling tongs start a fire.

Charlie is so busy correcting Gareth's haphazard preparations for the firework display that he misses a Catherine wheel nailed too tightly to the door of Bessie's shed.

The friends go to the beach for a picnic but Lily needs help when she gets stranded on a sandbank

Mr Chen's class make sky lanterns for Chinese New Year, but Norman creates a disaster when he lets go of his too early

Mrs. Chen's class make sky lanterns for Chinese New Year, but Norman Price creates a disaster when he lets go of his too early.