Season 21 aired between 24 Oct 2017 and 15 Feb 2018, 13 episodes.
Episodes
E01
Binky's 'A' Game
24 Oct 2017
E02
Brain and the Time Capsule
24 Oct 2017
E03
The Master Builders
24 Oct 2017
E04
Francine and the Soccer Spy
26 Oct 2017
E05
Sue Ellen and the Last Page
26 Oct 2017
E06
Muffy Misses Out
12 Feb 2018
E07
Arthur Takes a Stand
12 Feb 2018
E08
Slink's Special Talent
13 Feb 2018
E09
Take A Hike, Molly
13 Feb 2018
E10
The Lost Dinosaur
14 Feb 2018
E11
The Princess Problem
14 Feb 2018
E12
Invasion of the Soccer Fans
15 Feb 2018
E13
Pal and the Big Itch
15 Feb 2018