Invasion! (disambiguation)

Invasion! refers to several things:
 * Episodes
 * , the eight episode of the third season of and the fifty-fourth episode overall.
 * , the eight episode of the fifth season of and the one hundredth episode overall.
 * , the seventh episode of the second season of and the twenty-third episode overall.
 * Crossover events
 * Invasion!, the 2016/2017 crossover event, which is composed of, the eight episode of the second season of  and the above mentioned episodes.