See below for English description.

L'ecole des apprentis magiciens organise une soiree pyjama! Mais, comme on peut s'y attendre, les choses derapent des le depart, et bientot, ils auront affaire a un dragon...

It's time for the Upside-Down Magic class to go on a field trip — a sleepover field trip! But things go wonky from the start, and soon there's a dragon to deal with.

Original title: Upside-Down Magic #4: Dragon Overnight