Mnet's 'Produce X 101' has revealed its official 4th season poster, made up of the 'Produce' series's signature blue triangles.

In addition to launching the official poster containing photos of all 101 male idol trainees, the survival program has started a new special mission series featuring each of the trainees, featuring a bouncy ball and an obstacle course made up of lined tea bottles!

The staff of 'Produce X 101' stated, "To meet the expectations of the nation's producers, we've newly upgraded many aspects of the program. We will do our best to showcase each of the trainees' charms and skills . It will be the hottest season yet." 

'Produce X 101' premieres this May 3 at 11 PM KST! In the meantime, check out some of the trainees' bouncy ball missions below.