Star Trek IV: The Voyage Home - BLU-RAY

It's the 23rd century, and a mysterious alien power is threatening Earth by evaporating the oceans and destroying the atmosphere. In a frantic attempt to save mankind, Kirk and his crew must time travel back to 1986 San Francisco where they find a world of punk, pizza and exact-change buses that are as alien as anything they've ever encountered in the far reaches of the galaxy. A thrilling, action-packed Star Trek adventure!

On their way home to face a host of criminal charges, the former Enterprise crew learns that a mysterious space probe is threatening Earth with certain destruction. Now, Kirk and company must travel back in time to the 1980s to bring a pair of humpback whales to the 23rd century in the hopes they'll be able to communicate with the probe and save the planet. William Shatner, Leonard Nimoy (who also directed), DeForest Kelley, Catherine Hicks star. 118 min. Widescreen; Soundtracks English Dolby TrueHD 7.1, French Dolby Digital stereo; Subtitles English, French; audio commentary; featurettes; storyboards. Two-disc set.

Spock, Kirk and the Enterprise crew come to San Francisco to save humpback whales for the 23rd century.