It's time for self-reflection. The competitors look to mirrors for inspiration, creating deeply peronal pieces that express how they see themselves.

In a mystery box challenge, each artist crafts a different household item, including a cookie jar, a candelabrum and one very sophisticated sippy cup.

An angry vacuum, a reclusive imp and other colorful creatures come to life as the contestants create their own original cartoon characters.

Asked to make meaningful pieces about climate change, the artist fill the shop with icebergs, beetles, mushrooms and more.

"Queer Eye" expert Bobby Berk stops by the shop with the latests challenge: create glass art centerpieces for a dining room table.

The five remaining competitors must design an exquisite perfume bottle with a sculpted stopper and render it in two sizes.

Challenged to reflect on hurdles they've overcome in their pasts, the contestants forge powerful pieces that push their skills to the limit.

The artist find inspiration in high fashion as they design intricately crafted accessories, including a braided handbag and a pair of socks.

Season 1's champ returns to issue an intense challenge: concoct a sculpture that captures the heat, energy and emotion of fire.

Ten new glassblowers impress the judges — including the Season 1 champion — with pieces that tell the story of their evolution as artists.

Each artist designs a set of six glasses for a different beverage, including fancy flutes for Champagne and curvaceous chalices for Belgian ale. Cheers!

To celebrate the Year of Glass, the contestants create pieces inspired by groundbreaking glass inventions, from Galileo's telescope to smartphones.

The seven glassblowers take on the Seven Deadly Sins, yielding a menacingly lustful rose, a vibrant ode to gluttony and a piece that's green with envy.

Go big or go home! As their numbers dwindle, the artists turn tiny objects into supersized sculptures — including an olive, a thimble and a pushpin.

The hot shop meets the big top in a circus-themed challenge filled with whimsical creatures, from a bearded dragon lady to a dapper walrus.

The glassblowers split up into pairs. One team collaborates on a troll-like "tree baby" while the other forges flames and fiery chile peppers.

Planets collide and aliens give birth as the artists conquer the final frontier: crafting dynamic sculptures that capture the majesty of outer space.

In an emotional challenge, the three remaining glassblowers create pieces that represent their greatest fears — and try out some risky techniques.

In an intense eight-hour challenge, the final two artists create two very different installations. Both wow the judges, but only one can be the winner.

Ten glassblowers hit the hot shop to create pieces that show off their signature style. But when scale is a factor, will they rise to the occasion?

The artists design sculptures that celebrate what they wanted to be when they were kids — with pieces inspired by botanists, stunt performers and more.

The glassblowers take cues from natural wonders with vivid, gravity-defying installations while working in teams.

Channeling their dark side, the contestants bring to life mutant mushrooms, creepy krakens and evil eyeballs for this spooky challenge.

Lollipops, gummy bears and hard candies decorate the showroom as the artists make colorful, supersized confections for a tricky treat-based challenge.

Inspired by kids' imaginative illustrations, the glassblowers prepare one-of-a-kind pieces including a top hat-wearing snake and a flame-throwing robot.

Passions flare as the judges task the five remaining contestants with creating pieces that pay tribute to causes they care deeply about.

The glassblowers put their presentation skills to the test by creating two pieces — one hanging and one sitting on a pedestal — that work cohesively.

The heat is on for the semifinals as contestants craft a pair of Venetian glass pieces: a quick-blow goblet and a highly detailed vessel.

In the fiery finale, the last two standing look to be the best in glass by designing an immersive installation. Will their pieces blow the judges away?