Anitore! EX episode 15
It aired on Wednesday, 19 October 2016.
Spin! Spin! Mat Exercises, All the Way
Shizuno helps Yū do the Mat Exercises, while they both teach the viewers the two kinds of Mat Exercises: The Somersault and the Somersault Splits, in order for Yū to do well in her Mat Exercise Test on the next day.