Ah! Shimmer Without Fear of the Darkness!
After confusing Keiichi and the goddesses, Devil Urd is confronted by the real Urd, and they battle it out. But just when Devil Urd has the upper hand, her weakness reaches her and she escapes. Urd plans to get rid of her by exploiting her weakness, but Belldandy realizes that in order to do that Urd would have to sacrifice herself. Skuld and the others try to come up with a way to save Urd.
Aired 21/07/2006EP 16 - Ah! Shimmer Without Fear of the Darkness!

Oh! My Goddess: Flights of Fancy
The song may say "thank heaven for little girls", but who is college student Keiichi Morisato supposed to thank when three honest to goodness Goddesses move in and take over his life? After all, according to most mythologies, relationships between mortals and immortals usually leads to mortifying complications, so we're already talking about an extremely mixed blessing!
(Source: Crunchyroll)