Reprising their characters from The LEGO Movie are Chris Pratt as Emmet, Elizabeth Banks as Lucy (aka Wyldstyle), Will Arnett as LEGO Batman, Nick Offerman as Metal Beard, and Alison Brie as Unikitty.
Here is the official synopsis for the film:
The LEGO Movie 2: The Second Part reunites the heroes of Bricksburg in an all-new action-packed adventure to save their beloved city. It’s been five years since everything was awesome and the citizens are facing a huge new threat: LEGO DUPLO® invaders from outer space, wrecking everything faster than they can rebuild. The battle to defeat them and restore harmony to the LEGO universe will take Emmet, Lucy, Batman and their friends to far away, unexplored worlds, including a strange galaxy where everything is a musical. It will test their courage, creativity and Master Building skills, and reveal just how special they really are.
Directed by Mike Mitchell (Troll), the film will also feature the vocal talents of Stefanie Beatriz, Tiffany Haddish, Channing Tatum, Jonah Hill, and Margot Robbie. The Lego Movie directors Phil Lord & Christopher Miller are on board as producers.
The LEGO Movie 2: The Second Part will hit theaters on February 8, 2019.