This is based on some of the videos I've watched when people don't but their phones on airplane mode. Like the video by RDCWorld1 "When you don't put your phone on airplane mode".

[There should be a GIF or video here. Update the app now to see it.]

The episode begins with some band girls and crossover characters on board an airplane with Himari coming to a window seat and getting down in her seat.

Himari: Can't wait to get to our destination.

Then Iida spoke through the speakers. Fu Hua was the pilot and was sat next to Iida in the cockpit of the plane.

Iida: Everybody prepare for take off. Put your seatbelts on, put your seats up, put your trays up, and most importantly, put your phones in airplane mode. And it should be a smooth flight the whole way. Clear skies and no clouds.

Himari groaned.

Himari: (I'm not putting my phone on airplane mode. I don't want to do nothing on the plane while waiting to get to our destination.)

So Himari does not put her phone on airplane mode and just keeps scrolling though social media. Then the plane takes off. Kasumi freaks out.

Kasumi: AHHHHH!!!!!! We're taking off! We're flying! Too fast!

Arisa: KASUMI! CALM DOWN!

Rimi: Kasumi-chan!

15 minutes later in the flight, Himari was still scrolling through social media. The plane shakes a little bit. Himari goes back to scrolling through social media. Only for the plane to shake more violently a few seconds later.

Iida: Mayday! Mayday! Everybody we have an emergency! This isn't a turbulence! This is an uncontrollable dive! We have engine failure! Somebody didn't put their phone on airplane mode!

Fu Hua: I can't control the plane!

Kasumi: AHHHHHHHHHH!!!!!!!! We're going to crash!

Everyone complained and murmured.

Ran: Who didn't put their phone in airplane mode?!

Arisa: What kind of idiot would not put their phone on airplane mode!

Bakugo: We'll let's find him and beat him up!

Lots of people screamed yeah.

Ran: Let's check everybody's phones one by one! Starting from the back!

Homura: No! No! No! No! Let's start from the front! Then work our way back!

Noire: Yeah let's start at the front!

Rimi: Don't be so violent!

Midoirya: Don't beat this person up!

Blanc: Put your phone on airplane mode now!

Iida: This is just in! The person who didn't put their phone on airplane mode! Has a white smartphone with a pink case with white flowers!

Lots of people complained again. Himari hid her phone in her pocket and only showed the screen. Everyone checked phones.

Bakugo: What colors are your phones!

Noire: I'm black!

Chisato: My phone is white with a yellow case!

Arisa: I'm white!

Himari: I'm black!

Kasumi: My phone has an orange cat case on.

Neptune: I'm purple!

Vert: I'm green!

Blanc: I'm white!

Ran: I'm black and red!

Ran turns to Himari

Ran: What about you Himari! What color are you?!

Himari: I'm black! I'm black too!

Ran: No it's not!

Ran swipes Himari's phone away.

Ran: IT WAS HER!

Chisato: Himari-san, how could you?!

Himari: I'm sorry! I'm sorry! I'll put my phone on airplane mode now!

Ran: NO! I'll put your phone on airplane mode!

Ran put Himari's phone on airplane mode. Then the violent shaking stopped and the plane was flying normal again.

Iida: Attention passengers we seem to have gained full control again. Thank you whoever put their phone on airplane mode.

(Later at the destination...)

Himari: I am so sorry for not putting my phone on airplane mode!

Ran: You better be. because you almost got us killed!

Bakugo: Exactly! You almost got us killed!

Iida: Alright! Alright everyone! There's no need for a riot! Just let that be a lesson to you Himari-san.

Himari: Yes, Tenya-san.

Kasumi: Oh I'm glad to finally be off the plane and safe on the ground.

Rimi: Kasumi-chan.

Arisa: Seriously. You still can't get over your fear of flying.

Neptune: Even after one of your movies you still can't get over your fear of flying.

Neptune turns to the camera and breaks the fourth wall.

Neptune: Let that be a lesson to you all. Always put your phones on airplane mode. Or else the plane you're on will crash.

And then the episode ends.

(Ending theme...)

[There should be a GIF or video here. Update the app now to see it.]