Homura-chan… Gomen ne.
The Walprugis night approaches, causing pain in Homura.
Homura gets defeated by Walpurgis, and Madoka soon learns that the moment Homura gives up on Madoka, she will become a witch.
So Madoka hurries to save her.
..but gets stopped by this bitch:
But Madoka goes anyway, before Homura becomes a witch.
Great episode, leading up to a great ending.