As a way to save money on actual sets and because it was shot entirely in a studio,
the First Inspector era frequently used matte paintings for backgrounds, which is more obviously today than when the serials were originally broadcast.
#Inspector Spacetime#Matte Shot (trope)#Matte Shot#Special-Effects Failure (trope)#Special-Effects Failure#The Desperadoes (serial)#First Inspector era#No Budget (trope)#No Budget#to save money#on actual sets#shot entirely in studio#no video off-site#frequently used#matte paintings#Background (trope)#Background#much more obvious today#than when they were originally broadcast