Here Comes the Mad Scientist! (Part 1)

 is the 21st episode of Season 1 of the Saiki Kusuo no Psi-nan, also known as The Disastrous Life of Saiki K., Anime series.

Synopsis
Funimation The control device for Saiki's powers is broken. Without it, he can’t control his powers. So the Saiki family decides to go to see the creator of the device, who currently lives in London.

Netflix After Kusuo takes a direct hit from a baseball to his head walking past the field, he realizes one of the control devices on his head is missing.

Characters Appeared

 * Saiki Kusuo
 * Nendou Riki
 * Saiki Kurumi
 * Saiki Kuniharu
 * Saiki Kusuke
 * Kaidou Shun
 * Michael Scofield

Here Comes the Mad Scientist! (Part 1)
The control device for Saiki's powers gets broken, and Saiki must find a way to get it fixed before he accidentally does some serious damage.

Here Comes the Mad Scientist! (Part 2)
The Saiki family heads to London to get Saiki’s control device fixed. Although Kusuo is in a hurry to get it fixed, his parents are having a hard time staying on task.

Here Comes the Mad Scientist! (Part 3)
Kuusuke Saiki is a genius; however, he's never once beaten Kusuo. Determined to change that, he prepares a surprise and challenges Kusuo to a match.

Run for It! A Battle of Wits
Saiki and his friends have agreed to play a game of tag in London, where Kuusuke is it. Although Saiki feels they have the upper hand, he soon realizes that Kuusuke has some tricks up his sleeve.

Please at Least Be Quiet in the Art Museum
Since there's some time to spare before their flight back to Japan, Kuniharu suggests Saiki, Nendou and Kaidou go visit an art museum.