A thrilling "Star Wars"-themed episode, where teams must rebuild the galaxy by transforming the remnants of a destroyed planet into a new creation.

Each team randomly selects a ring box which holds a minifigure couple whom they must build a wedding cake for.

Teams each build a unique and exciting creature that comes to life as it descends a moving waterfall.

Teams face a Wicked-themed challenge, where each team is given a mystical spell to inspire their build, and they must skillfully hide the spell-related elements within their creation.

Teams are tasked with doing the unthinkable -- creating a build that bursts with movement and tells a compelling story.

The remaining teams must craft a thrilling Batmobile that will excite the judges.

The remaining contestants build a wearable mask for a costume party; the masks must be durable enough to survive a grand entrance at the masquerade ball.

The five remaining teams are tasked with re-creating any item from Will Arnett's high school bedroom, where they must fool the eye of a special guest by replacing what was once a curated 90's item into a LEGO brick carbon copy.

The four remaining teams compete for a spot in the finale; each team is tasked with building a mechanism that successfully moves a ping-pong ball from one side of the studio to the other.