There are characters with no specification to a series. Those are ones that I am unsure of where they belong.
Series 1, 2, 4, 6, 7, 8, 9, 10, 11
Squish 1 & 2
Let's Go 1 & 2
Cars 1 & 2
Academy
Lockers
Movie Moments 2
Blacklight
Hearts
Star Wars
Star Wars Vehicles