More than a decade and a half ago, the original Blue Planet television program changed the way we saw our planet’s oceans. But a lot has changed since 2001 when the show originally aired, with serious advances in technology and filmmaking. With that in mind, we’re heading back under the seas with Blue Planet II, which begins airing on October 29. The video below is the second teaser trailer for the program, offering up an amazing look at what we can expect from the sequel. You’ll catch a glimpse of some of the most elusive wildlife on the planet, as well as some stunning shots of life below the surface of the ocean. It looks beautiful.