Robert Downey Jr. & Jude Law Why you need the 720p Dual Audio version: Guy Ritchie’s slow-motion fight scenes (where Holmes calculates every punch) are a visual spectacle. In 720p, the gritty detail of Victorian London—the mud, the steam, the soot—is preserved without buffering.

Codec: Usually x264 or x265 (HEVC), which provides high quality at lower file sizes.

Sherlock Holmes: A Game of Shadows (2011): This sequel upped the stakes by introducing Holmes’ intellectual equal, Professor Moriarty. The film is famous for its slow-motion "Sherlock-vision" fight sequences and a high-stakes chase across Europe.