Gulp! That's quite a mouthful!
Ever had to look after an alien? No? Neither have Johnny, Finn and Tabby.
But after you've seen the alien get hit by a car, what choice have you got.
Giving it a little water - yeah, that might be a good idea. But putting your arm down its throat?! GULP!
Warning: If you should be looking after an alien right now, please don't try this at home.