>>40192733It wasn't the earthquake. Another episode that was pulled because of the earthquake did end up airing later.
What led to the plot being rewritten was BW2, as evidenced by the slots in Ash's badge case being changed. Originally they were all shaped like the badges from the games, with the last slot being Drayden's Legend Badge, but they were later changed into generic round shapes that could fit any badge and Roxie became the eighth gym leader for Ash instead.
