Season
- Season 0 2008-09-01
- Season 1 1984-10-09
- Season 2 1986-09-24
- Season 3 1992-01-25
- Season 4 1995-10-16
- Season 5 1998-09-14
- Season 6 2002-09-16
- Season 7 2003-10-06
- Season 8 2004-08-01
- Season 9 2005-09-05
- Season 10 2006-10-02
- Season 11 2007-09-03
- Season 12 2008-09-01
- Season 13 2010-01-25
- Season 14 2010-10-11
- Season 15 2011-03-01
- Season 16 2012-02-20
- Season 17 2013-06-03
- Season 18 2014-08-25
- Season 19 2015-09-21
- Season 20 2016-09-05
- Season 21 2017-09-18
- Season 22 2018-09-03
- Season 23 2019-09-02
- Season 24 2020-09-07
- Season 25 1970-01-01
- Season 26 1970-01-01
Season 26 Episode
- Season 19 Who's Geoffrey?
- Season 19 The Truth About Toby
- Season 19 Lost Property
- Season 19 Henry Spots Trouble
- Season 19 A Cranky Christmas
- Season 19 Snow Place Like Home
- Season 19 The Beast Of Sodor
- Season 19 Toad And The Whale
- Season 19 Very Important Sheep
- Season 19 Salty All At Sea
- Season 19 Den and Dart
- Season 19 Helping Hiro
- Season 19 Slow Stephen
- Season 19 Two Wheels Good
- Season 19 Reds vs Blues
- Season 19 Best Engine Ever
- Season 19 The Little Engine Who Raced Ahead
- Season 19 Philip To The Rescue
- Season 19 Diesel's Ghostly Christmas (Part 1)
- Season 19 Diesel's Ghostly Christmas (Part 2)
- Season 19 Thomas The Babysitter
- Season 19 Rocky Rescue
- Season 19 The Other Side Of The Mountain
- Season 19 No Help At All
- Season 19 Goodbye Fat Controller
- Season 19 Wild Water Rescue
Thomas & Friends - Season 19 Episode 20 Diesel's Ghostly Christmas (Part 2)
6.78 22 minutes Diesel now meets up with two other ghostly engines. The Ghost of Christmas Present and the Ghost of Christmas Future, and he later finds the Fat Controller still at Knapford during the Earl's Christmas party at Ulfstead Castle.
