Naruto Shippuden 422 begins a two-part filler special where we follow the story of Konohamaru as he develops his own type of Rasengan from scratch and uses it against Pain. Naruto goes in and out of missions while Konohamaru directly concentrates on developing his Rasengan while using his sexy jutsu.
Naruto Shippuden 423 is a filler episode concentrating on Naruto and Konohamaru during the time when Naruto was training in order to defeat Pain and the Akatsuki. While we mainly concentrate on Konohamaru and his training towards building up his Rasengan, we also see how he’s progressed and grown up to become Naruto’s rival.
Bleach 638 continues the battle between Mayuri vs Pernida, we see Pernida try to use his hands and nerves in order to manipulate inorganic material to catch Mayuri out, he does and forces Mayuri to explodes his armor revealing whats under his mask to be tube like hair and ears. Mayuri explodes Pernida’s pinky finger as a sample when it also comes to life.