Continuity mistake: During "Brand New Day", at one point, Dr. Horrible stabs a picture of Captain Hammer attached to a dartboard with a handful of darts, all right in the center of the picture. A few shots later as Dr. Horrible sits, suddenly the darts are far-more spread out. (It's in the background and can be hard to see, but it's noticeable.)
Dr. Horrible's Sing-Along Blog (2008)
Episode list - season 1
Starring: Neil Patrick Harris, Nathan Fillion, Simon Helberg, Felicia Day
| All season 1 mistakes | Mistakes | |
|---|---|---|
| Show generally | 1 | |
| 1 | Act I | 3 |
| 2 | Act II | 2 |
| 3 | Act III | 0 |
More mistakes in Dr. Horrible's Sing-Along Blog
Dr. Horrible: I don't have time for a grudge match with every poser in a parka.
Trivia: Was originally meant to be shot entirely with web-cams, with the characters reflecting on the events through dialog in video-blogs. However, after the story grew bigger during the writing process, it was ultimately decided that it would be filmed like a more traditional film or series, and the video-blogs became more of an occasional recurring motif than a main focus.