A typical day in the life of Ivor the Engine as he delivers Coal to Grumbly Gasworks.

Jones discovers a strange, red-hot egg. He puts it in Ivor's firebox to keep it warm.

Dai Station isn't too pleased about Ivor's new friend, Idris, travelling in his firebox.

After choir practice Idris helps out Mrs. Thomas, whose fish fryer is on the blink.

Idris is still missing when the antiquarian society arrives to interview Jones about him.

Ivor brings a package for Professor Longfellow but in the morning, the package has gone.

A sheep has got itself stuck and Jones sends Ivor and Nell, the sheepdog, to get help.

Ivor has to deliver some pigeons to Mr. Brangwyn.

A rock on the line turns out to be a wounded elephant.

Jones and Evans the Song have great difficulty bathing Alice and giving her medicine.

Mr. Brangwyn provides a boot for Alice to wear until her foot heals.

Alice's circus, run by Mr. Charlie Banger, is coming to Grumbly town.

Jones and Dai are relaxing when they spot some strange objects in the sky.

Mrs. Porty shows Jones and Ivor the fox cubs in the wood near her house.

Jones is cleaning Ivor when they are called off on an emergency.

Dai isn't too keen on Bluebell riding around with Ivor, but she soon proves her worth.

Head office break the news the railway is to be sold and Ivor may have to go to Pontypool.

Mrs. Porty comes up with a solution to the railway being sold.

Jones and Ivor spot Idris the Dragon. He explains that Smoke Hill is now extinct.

Jones decides he must ask Mrs. Griffiths to help with a home for Idris and the dragons.

Llaniog is snowed up. They will starve unless food is brought.

Thanks to a new snowplough, Jones and Ivor have collected supplies from Grumbly.

There's a fire at Mr. Pugh's barn but the new fire engine has got stuck in the snow.

Ivor is having fun pulling the children's sledges but ends up wheel-deep in the snow.

Some old fashioned pushers and pullers come to Ivor's rescue.

Something's very fishy when Ivor won't go under the water tower.

Jones and Ivor decide to help a family of birds that have built a nest on the line.

Jones and Ivor desperately need to find the birds a home.

Ivor receives a mysterious package in the post.

It's a lovely summers day and Ivor feels left out standing by the station platform.

The Grumbly Choir decide to spend some time having fun at Tewyn Beach.

Jones discovers Ivor has gone and Mrs. Porty suspects bandits.

The choir are going on their now annual outing and plan a surprise for Ivor.

The Dragons have nearly run out of Half-Crowns for their gas meter at Smoke Hill.

Jones and Dai are watching the sheep dog trials and a large contestant turns up to enter.

Ivor goes off with Banger's Circus as "The Singing Engine".

Ivor returns along with a small fortune and knows just what he wants to buy.

Ivor has gone off on his own again and Dai gets quite cross about it.

Jones, Ivor and the dragons go to Merioneth to see Mrs. Griffiths.

The Dragons are in danger of being caged.