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 2020-05-01
Season 24 Episode
- Season 22 Number One Engine
- Season 22 Forever and Ever
- Season 22 Confusion Without Delay
- Season 22 Trusty Trunky
- Season 22 What Rebecca Does
- Season 22 Thomas Goes To Bollywood
- Season 22 Thomas in the Wild
- Season 22 Thomas and the Monkey Palace
- Season 22 An Engine of Many Colours
- Season 22 Outback Thomas
- Season 22 School of Duck
- Season 22 Tiger Trouble
- Season 22 Seeing is Believing
- Season 22 Apology Impossible
- Season 22 The Water Wheel
- Season 22 Samson and the Fireworks
- Season 22 Runaway Truck (Runaway Car)
- Season 22 Thomas' Animal Ark
- Season 22 Cyclone Thomas
- Season 22 Kangaroo Christmas
- Season 22 Thomas and The Dragon
- Season 22 Rosie is Red
- Season 22 The Case of the Puzzling Parts
- Season 22 Banjo and the Bushfire
- Season 22 Counting on Nia
- Season 22 Hunt the Truck
Thomas & Friends - Season 22 Episode 13 Seeing is Believing
6.80 22 minutes Thomas' friend Merlin comes to Sodor from the Mainland for the first time, and Percy wants to see him.
