Tserver Tserver Oserver Hserver Episode 172 Episode 153 Episode 154 Episode 155 Episode 156 Episode 157 Episode 158 Episode 159 Episode 160 Episode 161 Episode 162 Episode 163 Episode 164 Episode 165 Episode 166 Episode 167 Episode 168 Episode 169 Episode 170 Episode 171 Episode 172 Episode 173 Episode 174 Episode 175 Episode 176 Episode 177 Episode 178 Watch Aikatsu! 4 - Episode 172 Online Aired: Oct 1, 2015 to to Mar 31, 2016 TV - (Finished Airing)