VIDEO: Watch Tim Gunn Lose It in Tomorrow's Project Runway Episode

This next episode of Project Runway is sure to be a doozy.

Tim Gunn Project Runway
(Image credit: Marie Claire)

Season 12 of Project Runway has already seen its fair share of the drama, including one designer who surprised us all by walking off the show last week. Tomorrow's episode features Tim Gunn as we've never seen him before: angry. As in, he's had it, and he's not afraid to let the designers know exactly how he feels.

In preparation for tomorrow's episode, watch this exclusive clip, below, and tune in for another exciting night of Project Runway tomorrow, Thursday, Aug. 15 at 9 p.m. EST on Lifetime!