Sonds song

Season 21 is an Upcoming season in 2017 animated by Jam Filled Entertainment.

Episodes

 * 1) Hasty Hannah - a new coach comes to the railway to temporarily replace Henrietta.
 * 2) Dowager Hatt's Busy Day - Dowager Hatt takes Sir Topham Hatt's place for the day, but confusion, delay, and trouble kicks in.
 * 3) Emily in the Middle - Emily gets trapped in the middle on the bridge of Ulfsted Mine.
 * 4) Rosie's New Livery - Rosie gets a new paint job so that the Troublesome Trucks don't recognize her.
 * 5) Edward and the Boulder
 * 6) Hugo's Date
 * 7) Kindness with Friends
 * 8) Emily and Edward Part 1
 * 9) Emily and Edward Part 2
 * 10) Super Rescue
 * 11) Mountain Engine
 * 12) Bad Look-Out
 * 13) Danger Points
 * 14) Devil's Back
 * 15) The Flying Scotsman (Episode)
 * 16) Streamlined
 * 17) Be Who You Are (Episode)
 * 18) Shunting Trucks
 * 19) The Shooting Star
 * 20) The Great Race (Episode)

Songs

 * Let's Set Friendship Into Motion
 * Will You Won't You
 * Streamlining
 * I'm Full of Surprises
 * You Can Only Be You
 * The Shooting Star Is Coming Through
 * Be Who You Are, and Go Far
 * Engine Roll Call (Sung By Ashima 6 Episodes Only)

Characters
Duck, Oliver, Toad, Donald, Douglas and Flying Scotsman are also likely to appear.
 * Thomas
 * Edward
 * Henry
 * Gordon
 * James
 * Percy
 * Toby
 * Emily
 * Rosie
 * Harvey
 * Ashima
 * Merlin
 * Frankie
 * Hurricane
 * Diesel
 * Daisy
 * Arry and Bert
 * Dart
 * Den
 * Paxton
 * Philip
 * Stafford
 * Skarloey
 * Rheneas
 * Peter Sam
 * Rusty
 * Victor
 * Luke
 * Culdee
 * Annie and Clarabel
 * Henrietta
 * Troublesome Trucks
 * Rocky
 * Slip Coaches
 * Jerome and Judy
 * Bertie
 * Trevor
 * Hugo
 * Sir Topham Hatt
 * Dowager Hatt
 * Mr. Percival
 * Jem Coll
 * Farmer McColl
 * Farmer Trotter

Characters Introduced

 * Hannah

Trivia

 * This season will contain the 500th episode of the show.