Dιo Xenoi (English: Two Strangers) is the title of a Greek romance comedy television series aired by Mega Channel in the 1997–1999 seasons. The screenplay was written by Alexandros Rigas and Dimitris Apostolou. The series presents the development and evolution of a love affair between a popular and low-educated young woman, TV presenter of light content (Evelina Papoulia), and an ancient drama teacher with intensely haughty principles and introverted personality (Nikos Sergianopoulos). It was one of the most successful series of Greek television and it won the best comedy series award in the "Prosopa" Greek Television Awards in 1998. Since then, it has been shown on repeat every year due to the huge success it experienced. The title of the series is inspired by the lyrics of the song "The Sign" written to music by Marios Tokas and performed by Konstantina and Yiannis Parios.