The Wholefish Café has been so popular that it will soon be serving its one millionth customer! Sarah and James think that Bronwyn should mark the event with a big celebration. They even persuade Norman Price to jump out of a big wooden cake, but Norman gets trapped inside, the kitchen catches fire and the giant cake doesn't fit through the door.
Nipper sniffs temptation when Bronwyn gives Gareth a sausage sandwich for lunch and snatches it when Gareth leaves it dangling in a bag on the train's brake, but the naughty dog also dislodges the brake, causing The Pontypandy Flyer to head off across the mountains with a carriage full of people and just Nipper in the cab.
Mandy decides that the wall at the Mountain Activity Centre isn't exciting enough and follows Moose on one of his practice climbs, Fireman Sam has to rescue them from the mountain.
Sarah and James accidentally cause a fire at the water tower while helping get the station ready for the grand opening of the mountain railway line.
Elvis has made a pie to celebrate the Pontypandy Pioneers completing their fire safety badge. But where can he hide it to be safe from Norman?
When the Big Chill strikes Pontypandy and knocks out the power at the fire station, Sam has trouble lighting a fire. Meanwhile, Norman's attempts to clean his mother's best scarf after he has used it to dress a snowman are as comical as they are disastrous.
Station Officer Steele is mortified when he hurts his back and Chief Fire Officer Boyce fills in for him - until Boyce manages to get Jupiter's platform stuck under a bridge.
Elvis is to be the star act in Pontypandy's forthcoming charity concert, but his singing practice is driving Steele up the wall.
Mandy's bid to be a round-the-world yachtsman comes adrift on her maiden voyage when her mast breaks.
When Sarah and James's new guinea pig escapes and causes a fire, all the fire station's equipment is missing because Elvis borrowed it to look for the pesky pet.
When Sarah pretends that she has seen the Pontypandyness Monster, the Mountain Activity Centre is soon swamped with visitors.
Dilys tries her best to help her "little treasure" Norman get his Pontypandy pioneer fishing badge, with disastrous results.
Charlie is determined to land the biggest catch that Pontypandy has ever seen. Unfortunately, he damages his boat in the process.
Penny and Elvis can't get to an emergency at the Mountain Activity Centre, but Steele has just refurbished Bessie, his old fire engine that runs on rails.
On a wilderness excursion with the Pontypandy Pioneers, rivalry over who has the best survival skills lands Tom and Moose in trouble when they race up a high tree and get stuck.
In order to get out of cleaning Mike's muddy van, Norman locks everyone out on the lighthouse balcony so they won't get back until late.
Mandy offers to babysit Lily when Helen Flood invites Mrs Chen and Penny over for a girls' night in.
When Tom and Moose volunteer to help Mandy and Norman spot a fox, the fox scampers off with Moose's hat.
Radar is the hero of the day when Lily gets herself stranded on a sandbank during a Pontypandy beach picnic.
Mrs Chen's class are making sky lanterns to release up the mountain to celebrate the Chinese New Year. But Norman fails to heed a fire warning when the wind changes direction.
Sarah and James become trapped in a cave when they try to photograph a polar bear.
On a snowy day on the road to Newtown, Trevor loses control of the bus and ends up on a frozen lake just as the ice is beginning to crack.
Mike is hit by a giant snowball when orman and Derek build a slalom-style obstacle course to try out some of their snowboarding hero Billy Bob Blizzard's moves.
The Joneses and Prices are vying to win Pontypandy's best Christmas lights contest. Rivalry is rife as their displays get more and more elaborate.
Norman causes his usual havoc, this time at Halloween.
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.