Buffy: The Vampire Slayer and Dr. Horrible's Sing-Along Blog Crossovers
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Vengeance by idioticonion reviews
There's nothing like a little mystical interference to set the world to rights. Billy has to deal with time travel, a demon and an annoying superhero to try and win the girl.
Rated: T - English - Romance/Supernatural - Chapters: 3 - Words: 4,859 - Reviews: 3 - Favs: 21 - Follows: 5 - Published: 3/6/2010 - Dr. Horrible/Billy - Complete
Puppy Love by 525.600 reviews
It was embarrassing to think, now, he'd only noticed her because of her hair. Willow/Billy. Drabble.
Rated: K - English - Romance - Chapters: 1 - Words: 254 - Reviews: 4 - Favs: 7 - Published: 1/16/2010 - Willow R., Dr. Horrible/Billy - Complete
Tuesday at the Laundromat by Daughter of the Black reviews
Dr. Horrible xover Buffy, Billy, and an ill-fated Captain Hammer come together for laundry day. Buffy Billy undertones
Rated: K+ - English - Humor - Chapters: 1 - Words: 553 - Reviews: 29 - Favs: 34 - Follows: 7 - Published: 1/10/2009 - Buffy S., Dr. Horrible/Billy - Complete