The eighth season of the animated television series "The Fairly OddParents" first aired on Nickelodeon on February 12, 2011, with the episode "Love Triangle". This season began airing in the United States even though there were still several Season 7 episodes that had yet to be broadcast, including the aforementioned season premiere's preceding lead-in episode, "Spellementary School".
"Spellementary School" of season 7 was aired prior to the season 8 premier "Love Triangle".
"Spellementary School" of season 7 was aired after the season 8 premier according to the prompt. 
( z1 air :ARG1 ( z2 broadcast-program :name ( z3 name :op "Spanlementary" :op "School" ) :time ( z4 season :ord ( z5 ordinal-entity :value 7 ) ) ) :time ( z6 prior :op ( z7 broadcast-program :name ( z8 name :op "Love" :op "Triangle" ) :mod ( z9 premier ) :time ( z10 season :ord ( z11 ordinal-entity :value 8 ) ) ) ) )