This summary of season 5 episode 7 came from here: http://www.tv.com/shows/winx-club/the-mermaids-boys-2565871/ (The episode title is The Mermaids Boys.)
''The Specialists are desperate to help out the Winx with their new mission. They seek advice from Ms. Faragonda, who grants them their wish. But in order to breath underwater, they must first become mermen!''
Whoa! Somehow I just couldn't picture that happening.
What do you guys think of the specialisst becoming mermen?