After debuting the poster yesterday, Disney and Pixar have released the first official teaser trailer for Finding Dory, the sequel to 2003’s immensely popular Finding Nemo, which swept up critical and commercial acclaim for its charming tale of a tiny clownfish lost in the depths of the ocean.

As you can see in the trailer, Finding Dory reunites the old gang, but now follows Dory’s quest to find her own family — if she can remember what they look like, and where they could possibly live. And it looks like she’s slowly starting to!

Set six months after “Nemo,”, the sequel re-teams Ellen DeGeneres‘ Dory with Albert Brooks‘ neurotic clownfish, Marlin. The rest of the voice cast includes a line-up of heavy hitters, including Modern Family‘s Ty Burrell and Ed O’Neill as a “misguided beluga whale” and Dory’s guide Octopus respectively; Diane Keaton and Eugene Levy as Dory’s parents; Kaitlin Olsen as a “kind-hearted whale shark”; and Dominic Cooper and Idris Elba in mystery roles. It’s also been confirmed that Willem Dafoe will be reprising his role as Gill, the Moorish Idol fish that Nemo met in the tank at the Sydney dentists office.

Finding Dory also brings back director Andrew Stanton, who this time will be assisted by co-director Angus MacLane. After a year of original films in 2015, with Inside Out and the upcoming release The Good Dinosaur, Finding Dory will be the first in a line of sequels to Pixar classics, including a fourth Toy Story due out in 2017.

Pixar’s marketing campaign is clearly angling to tap into viewers’ nostalgia. The tagline on the first Finding Dory poster echoes her motto from the first film, “Just keep swimming,” and indeed she has.

Regardless of your feelings on the need for a sequel, it’s hard to deny the thrill (and the beauty) of being back in this underwater world after watching the trailer.

The sequel hits cinemas June 17 2016.

Tags: Finding Dory, Disney, Pixar, film trailer