The trainees on 'Produce 101' tried out the 2x dance!

On June 12, Mnet treated fans with special clips showing the trainees trying out the 2x dance of their concept evaluation songs; ''Never'', ''Oh Little Girl'', Knock'', ''I Know You Know'', and ''Show Time''. You can also see the boys' varying reactions while watching one another's impressive, speedy performance. 

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Watch the special stages and find out which trainees did and did not do so well at the 2x dance!