Nowadays, technology has nearly become an inseparable part of society, with numerous applications from entertainment to business, and especially in education. It can be seen that the innovation of technology brings a significant change in teaching and learning. It creates a new opportunity for not only students but also teachers to approach new materials to facilitate for more meaningful and interesting teaching experience. This paper aims to investigate the roles of videos in language teaching and learning. Furthermore, the article analyzes several effects of videos on speaking skills, especially in terms of teaching cultural awareness, improving pronunciation and intonation, enhancing pragmatic understanding and motivating students.