第 8 季 共 26 集
播出时间：2004年8月2日
第 1 集 Thomas and the Tuba
播出时间：2004年8月2日
Thomas is to collect the Brass Band to take them to the park as a treat for Lady Hatt's birthday but when he does is in such a hurry that he leaves the Tuba Player standing on the platform. Will the Fat Controller's party plans for his wife be tarnished?
第 2 集 Percy's New Whistle
播出时间：2004年8月2日
Percy's loud whistle blowing to show that he can make as loud a sound as 'Arry & Bert's horns distracts some of the others and is told by the Fat Controller to only whistle at appropriate times. However, Percy isn't sure to whistle to warn Thomas from crashing some time later. Will he let his friend crash or will he make the right decision by blowing a warning whistle?
第 3 集 Thomas to the Rescue
播出时间：2004年8月9日
Some of the diesels receive a dose of contaminated fuel but will Thomas help fix the situation after Diesel calling him a "stinky old steam engine"?
第 4 集 Henry and the Wishing Tree
播出时间：2004年8月9日
Henry wishes he could pull passenger trains like Gordon instead of log trucks. However, Henry comes upon a Wishing Tree which Sodor's children regulary visit later on that day...
第 5 集 James Gets a New Coat
播出时间：2004年8月16日
James' new lick of paint makes him concentrate less on his work, but when he's given a very dirty job to do later on, he soon shifts his way of thinking...
第 6 集 Thomas Saves the Day
播出时间：2004年8月16日
While a new station is being built, Thomas has to go around a sharp bend though Annie and Clarabel help him. But when they are sent to the works, will Thomas find the courage to go around the bend, or allow the Troublesome Trucks to cause havoc?
第 7 集 Percy's Big Mistake
播出时间：2004年8月23日
Following some time being overworked and running late, Percy overhears the Fat Controller talking about sending him to the scrap yard! Two accidents later, this makes him wonder whether he will be sacrificed to the flame...
第 8 集 Thomas, Emily and the Snowplough
播出时间：2004年8月23日
Emily's bossy attitude is really getting to Thomas. So when a large snowfall arrives, Thomas decides to ignore her advice about wearing a snowplough, forgetting past incidents...
第 9 集 Don't Tell Thomas
播出时间：2004年8月30日
The engines are hiding a big secret from their blue tank engine friend, but what could it possibly be?
第 10 集 Emily's New Route
播出时间：2004年8月30日
Emily is chosen to do the route running through Black Loch, but on her first run, she sees spooky shapes in the water which appear to be sea monsters!
第 11 集 Thomas and the Firework Display
播出时间：2004年9月6日
Thomas wishes he could collect the fireworks stock to deliver to the Harvest Fireworks Display but feels most disappointed when James is chosen to do the job instead. James, however, breaks down...
第 12 集 Gordon Takes Charge
播出时间：2004年9月6日
Gordon shows off to Percy while teaching him how to pull passengers. In doing so, Gordon doesn't notice a dangerous icy section of line...
第 13 集 Spic and Span
播出时间：2004年9月13日
Thomas and Percy's efforts to be the cleanest engines on Sodor for the Cleanest Engine competition are continuously thwarted. Will luck come to them?
第 14 集 Edward the Great
播出时间：2004年9月13日
Edward is chosen to compete against Spencer in a race, but is soon left eating Spencer's dust due to his much larger amount of power. Far out in the lead, Spencer grows overconfident and decides to have a little snooze...
第 15 集 Squeak, Rattle and Roll
播出时间：2004年9月20日
Gordon is scared that he'll be scrapped due to strange noises inside him that he's making. Will he inform about his problems or will he instead try to hide them?
第 16 集 Thomas and the Circus
播出时间：2004年9月20日
Thomas stubbornly insists on pulling the entire Circus Train by himself, but soon finds it too heavy to pull on his own.
第 17 集 Thomas Gets It Right
播出时间：2004年9月27日
Thomas must go slow to successfully deliver a load of eggs around Sodor but becomes impatient and speeds up, with predictable results...
第 18 集 As Good As Gordon
播出时间：2004年9月27日
Emily has to stand in as the puller of Gordon's Express, and is determined to pull it as fast as him, but ultimately fails. Luck, however, soon greets her...
第 19 集 Fish
播出时间：2004年10月4日
Thomas is hasty and decides to haul all the trucks with loads of fish he has to deliver all at once. He soon finds that in doing so, they are too heavy to pull in one shot...
第 20 集 Emily's Adventure
播出时间：2004年10月4日
Emily finds that being unkind to others is the wrong thing to do when in need of help with a big job.
第 21 集 Halloween
播出时间：2004年10月11日
'Arry & Bert, the naughty diesels, take advantage of the fact that it's Halloween and when Thomas and Emily are sent to do important work at the Smelter, the two diesels decide to give the steamers a fright or two!
第 22 集 You Can Do It, Toby!
播出时间：2004年10月11日
When Gordon becomes stuck on the Hill, Toby comes to help and push but will he have enough confidence in himself after Gordon saying earlier on to him that he's not a proper engine?
第 23 集 James Goes Too Far
播出时间：2004年10月18日
When the other engines ask James for help with some hard jobs, he says he's much too busy with his assigned task of exporting loads of coal around the Island. However, when James breaks down, his attitude soon changes...
第 24 集 Chickens To School
播出时间：2004年10月18日
Emily offers to help Thomas with his loads, but Thomas refuses any help whatsoever his friend has to offer, or at least at first.
第 25 集 Too Hot For Thomas
播出时间：2004年10月25日
Thomas feels sad when he has to deliver ingredients to the Ice Cream Factory instead of taking children to the beach, but later feels much happier thanks to a nice little surprise...
第 26 集 Percy and the Magic Carpet
播出时间：2004年10月25日
Percy collects a special carpet to deliver, but suddenly the windy weather starts to blow it around. Percy, though, thinks that it's a magic flying carpet!
