November 9th, 2015
The 5th Season of Thomas' Sodor Adventures started to air on November 9th, 2015. It'll finish sometime in 2016.
- Sodor Snowstorm - The engines at Tidmouth Sheds are snowed in from a snowstorm.
- Henry to the Rescue - After the snowstorm, Harold rescues many people, which starts to get him cocky, which gets Henry annoyed.
- Snow Rescue - Bertie is stuck in the snow after the snowstorm, and Butch has to go and rescue him, but he has a difficult time too.
- The Big City Engine - The Big City Engine returns to the island, but is less than impressed.
- Nigel - Nelson is overworked, so Nigel comes out of an old shed and replaces Nelson while he's away.
- Bert Tries His Best - Bert has to pull a long train of ballast for Blisters I and II when they can't start up during the winter.
- Percy and James - Percy and James start to form a rivalry.
- Thumper and the Avalanche - Thumper wants to prove to Rusty and the other engines that he's learned.
- Bumble Bucket - Max and Monty keep on teasing Ned while building new townhomes, which eventually leads to disaster.
- Silver Steam - Spencer boasts to Stephen that's he faster and bigger than he is, so Stephen decides that Spencer should push him along the line.
- Sodor Wash Day - It is Sodor Wash Day on the Island of Sodor, and Scruff is in the washing challenge, but he is very nervous of being cleaned.
- Culdee and the Enthusiasts - Some enthusiasts come to the Culdee Fell Railway, and Culdee is chosen to take them.
- Stanley's Branch Line - Stanley wants his own branch line, but when Thomas has an accident on his branch line while avoiding Toby, Stanley is sent in his place.
- Return of the Spotless Record - Arthur is worried that his spotless record will be ruined again.
- Peter Sam and the Prickly Problem - Peter Sam runs into some prickles on the line, and the workmen have to cut the prickles in front of Peter Sam's face.
- Samson and Logan - Samson is sent to the Coaling Plant to work with Logan.
- Bears/A Bear on the Line - Gordon makes fun of Bear's name, but gets his just desserts when he meets a bear himself in Henry's Forest.
- A Surprise for Oliver - Oliver is surprised when Philip unintentionally makes him think he's faster than he really is.
- No Need for Timothy - Bill and Ben think that Timothy is no need at the clay pits.
- Diesel and the Thunderstorm - A storm rolls into Sodor and it causes Diesel to break down.
- Traction Troubles - Rex's brakes wear out and he becomes a runaway.*
- A Vintage Coach - Henrietta is insulted when Bulgy calls her a "vintage coach".*
- Jerome and the Fish - Jerome and Judy are asked to work at the Fishing Village, but a crane accidentally drops fish on Jerome and he hates the smell of it.*
- Concrete Troubles - Patrick's concrete goes out of control after laying some on a park.*
- Smoke Signals - Duncan boasts that he doesn't need help from Harold, but while the workmen and Rusty come across a fallen tree, Duncan goes down the wrong line and crashes into a mine.*
- Old Enemies - Stepney meets 'Arry and Bert for the first time since they almost scrapped him.*
* - Exclusive to DVD.
- Donald and Douglas
- Bill and Ben
- 'Arry and Bert
- Sir Handel
- Peter Sam
- Mighty Mac
- Blister I and Blister II
- Shane Dooiney
- Annie and Clarabel
- Old Slow Coach
- Max and Monty
- The Fat Controller
- Miss Jenny
- The Thin Controller
- The Small Controller
- Farmer McColl
- Lord Callan
- Sir Robert Norramby
- Charlie (cameo)
- The Works Diesel (cameo)
- Bertram (cameo)
- Sigrid of Arlesdale (cameo)
- Slip Coaches (cameo)
- Caroline (cameo)
- Isobella (cameo)
- Kevin (cameo)
- Lady Hatt (cameo)
- Stephen Hatt (cameo)
- Bridget Hatt (cameo)
- The Thin Clergyman (cameo)
- Farmer Trotter (cameo)
- Nancy (cameo)
- The Teacher (cameo)
- Cyril the Fogman (cameo)
- Flying Scotsman (mentioned)
- Proteus (mentioned)
- George (mentioned)