Before revision: Series overview of Happy Educational Kids| color1 = FFB3000| link1 = Series 1 (2044)| episodes1 = 20| original1 = | color2 = FF80FF| link2 = Series 2 (2044)| episodes2 = 19| original2 = | color 3 = 8000000| link3 = Series 3 (2045)| episodes3 = 40| original3 = | color4 = 000044| link4 = Series 4 (2046)| episodes4 = 40| original4 = | color5 = 80FF00| link5 = Series 5 (2051)| episodes5 = 45| original5 = Associative learning Associative learning is the process by which a person or animal learns an association between two stimuli or events.
After revision:   Associative learning Associative learning is the process by which a person or animal learns an association between two stimuli or events.