Part # 1: Language birth and language death.
Part # 2: Advantages of speaking more languages.
Part # 3: Mandarin Chinese.
Part # 4: English.
Part # 5: German.
Part # 6: French.
Part # 7: Italian.
Part # 8: Spanish.
Part # 9: The language of math.
Part # 10: The language of coding.
Part # 11: Sign language.
Part # 13: Body language.
Part # 12: Languages of love.
Part # 14: The language of music.