Our New Powers Activate!

is the fourth episode of Magical Girl Lyrical Nanoha A's. It was originally broadcast on October 22, 2005.

Hayate's condition worsens, the TSAB corner the Wolkenritter in a barrier so Nanoha and Fate can take them on, to Nanoha and Fate's surprise Raising Heart and Bardiche begin a different Set Up. Amy tells them that their Devices have been upgraded from Raising Heart to Raising Heart Excelion and from Bardiche to Bardiche Assault.