The Beginning Comes Suddenly

is first episode of Magical Girl Lyrical Nanoha A's. It was originally broadcast on October 1, 2005.

Nanoha, who is awaiting Fate's return, is ambushed by Vita and Graf Eisen for her Linker Core. Vita gains the advantage by using the cartridge system to increase her weapon's power. At the last minute when all seems hopeless Fate, Arf, and Yuuno arrive.