| Blade of the Demon Spear | |
| |
| Kanji | 魔槍(まそう)の刃(やいば) |
| Romaji | Masou no Yaiba |
| Episode Number | 4 |
| Episode Guide | |
|---|---|
| Previous Episode | Fate/Zero Episode 03 |
| Next Episode | Fate/Zero Episode 05 |
| Airdate | |
| Japanese | October 23, 2011 |
| Theme Music | |
| Opening | Oath Sign |
| Ending | Memoria |
"Blade of the Demon Spear" is the 4th episode of Fate/Zero.