Thought that could be a logical continuation of "gestures" and a good visual subject for the show.
1. Animal sounds in different languages (onomotopaeic):
dog - English:bow-wow; Russian - guv-guv
rooster -Russian: ku-ka-reku (similar to Spanish)
duck - English: quack-quack, Russian: kria-kria etc etc - more on Monday
2. Football fans' chants in different cultures expressing the same thing:
here we go (eng), Davai! (russian) HEya! (Swedish); do-to-ho (Czech) etc. etc.
Could lead to a number of funny questions/imitations/foreign accents etc