China announces that this week's work of art should express the artists' connection with nature. The artists should also physically include elements of nature that they find at the reserve.

Nicole is extremely comfortable with the challenge, eager to use the treasures she finds.

Miles is extremely focused, as usual.

Jaclyn is bummed about the weather, wishing it was a nicer day.

Abdi's spirituality serves as the inspiration for his piece.

Peregrine brings her goodies back to the car, ready to start her project.

Miles begins yet another one of his grand installments.

Jaclyn is confused as to where to begin on her piece.

After weeks of being on the buttom, Abdi finally feels good about his piece.

Peregrine decides to make a sculpture, a risk she feels is worth taking.

Miles constructs one of the many elements to his installation.

Fast-working and methodical, Miles is confident that his piece will work.

Peregrine checks out the castings for Nicole's sculpture piece.

Buddies Nicole and Peregrine discuss each of their works, giving each other tips.

Miles is off, sanding in the corner.

Who knows what Miles is up to?

Peregrine uses the branches and leaves of the trees in her sculpture.

Jaclyn is not happy about having to compete with a bad cold.

Abdi uses the dark stones from the reserve as the material to sketch his drawing.

Miles tests out one of his many contraptions.

Simon and Peregrine discuss her work-in-progress, and Peregrine gets nervous.

Simon feels that Nicole's piece may be a bit too small.

Miles gives Peregrine an idea, and she runs with it.

Peregrine explains her work to the gallery guests.

Jeanne and Jerry take a close look at Nicole's installation.

China gets a really close look at Miles's bleach design.

Abdi is overcome with emotion.

The gallery guests seem to really like Abdi's piece.

The contestants line up, ready for their critiques.

The judges are ready to hear what the contestants have to say.

Abdi explains his piece, saying that the water at the reserve gave him a spiritual awakening similar to a baptism.

Nicole, Jaclyn, and Abdi wait to hear what the judges have to say.

Peregrine explains how her piece reflected her ambivalence with nature.

Jaclyn demonstrates how her piece expresses freedom in nature.

Nicole gets emotional when she explains how her ancestry inspired her for her piece.

The judges fight for who they feel should stay in the competition.

They all have a tough decision ahead of them: who will make it to the finale?

The contestants applaud Abdi's win and his advancement to the finale.

Jaclyn, Peregrine, and Abdi are overcome with mixed emotions.