User blog comment:~Mana~/Episode Titles Announced (151-154)/@comment-3053220-20120229012546/@comment-5395580-20120229201057

It actually followed the trend, in terms of Series Finales. Beyblade: 51 Beyblade V-Force: 51 Beyblade G-Revolution: 52 Beyblade: Metal Fusion: 51 Beyblade: Metal Masters: 51 Beyblade: Metal Fury: 52