Zoey and Lukas can talk like Vikings! Turns out that English has hundreds of words from the Viking language, Old Norse, because Vikings invaded England over a thousand years ago. So if you speak English, you already know a bunch of Viking words! A Viking re-enactor visits and shows how the Norse language led to English words like the days of the week, among others. Kids compete in a Viking-themed game of soccer where the balls have Old Norse words on them. Can they figure out the English equivalents? In the game show, kids have to describe a Viking-themed secret word to their teammate. Zoey and Lukas discover how English also got tons of words from other languages. When Lukas tries to program Booboo Bot to know all the words from all those languages, Booboo Bot goes berserk.