Season 15 aired between 01 Mar 2011 and 28 Mar 2011, 20 episodes.
Episodes
E01
Gordon and Ferdinand
01 Mar 2011
E02
Toby and Bash
02 Mar 2011
E03
Emily and Dash
03 Mar 2011
E04
Percy's New Friends
04 Mar 2011
E05
Edward the Hero
07 Mar 2011
E06
James to the Rescue
08 Mar 2011
E07
Happy Hiro
09 Mar 2011
E08
Up, Up and Away!
10 Mar 2011
E09
Henry's Happy Coal
11 Mar 2011
E10
Let It Snow
14 Mar 2011
E11
Surprise, Surprise
15 Mar 2011
E12
Spencer the Grand
16 Mar 2011
E13
Stop That Bus!
17 Mar 2011
E14
Stuck on You
18 Mar 2011
E15
Big Belle
21 Mar 2011
E16
Kevin the Steamie
22 Mar 2011
E17
Wonky Whistle
23 Mar 2011
E18
Percy the Snowman
24 Mar 2011
E19
Tree Trouble
25 Mar 2011
E20
Fiery Flynn
28 Mar 2011