I’ll call for help. SHOO-BE-DOO

@Background Pony #6E8F  
Yes, and they were able to get back to the surface after being turned back to normal. Still, the post is funny

OBJECTION!
 
This fanart contains a clear contradiction with something seen in the Movie: part of the Seaquestria segment, shown clearly that Twilight, as well of the rest of the Mane 6 are all able to swim fine slams hands on the desk AND IN THAT MOMENT THEY WEREN’T TURNED INTO SEAPONIES YET. UNTIL QUEEN NOVO USED THE PEARL ALL THEY HAD WERE JUST AIR BUBBLES ON THE HEAD.
 
…. sorry, don’t take this too seriously, but I always to go Phoenix Wright on things. Lol  
Even so, my point still stands anyway. So there.

Yes because ponies are greatat holding their breath and talking at the same time

The biggest problem with hooves is that you only get a one count before drowning.

@Fair Use (Optimisitc Neighsayer)  
Or levitate. Or teleport.

Looks like somepony forgot to fly yet again.

I have to be honest, your art style reminds me of Pony.MOV.