The DVD typically features standard Dolby Digital 5.1, while the Blu-ray offers a much more immersive DTS-HD Master Audio 7.1
Streaming versions of Through the Looking Glass strip away nearly all of these features. The DVD’s actually benefits the CGI-heavy scenes—the slightly softer image hides the early-2010s-era digital artifacts, and the Dolby Digital 5.1 mix retains the punch of Danny Elfman’s clock-ticking score.
Completionists, costume design junkies, and anyone who misses practical prop-making special features. Skip if: You hated the first film’s tone or can’t stomach Johnny Depp’s Hatter accent for two hours.
: This is where the "extra quality" lies. It includes a comprehensive suite of features such as:
Overall verdict