You are seeking S27 1A.BCD E152 5E.FGH

A = Number letters in the first name of the person who developed the series
B = The first digit in the total number of episodes made in total
C = Number of letters in the first word of the show
(omit ‘The’)
D = Number of 'Main albums', less 2


E = Number of aliens from outer space that feature as a regular character
F = Number of letters in the first name of who wrote the books
G = Ashley and Melanie released a single in 2003, how many letters in the title of that song?
H = Last digit in the year the second season was aired