"Exploration of the 'Trinity'" (1) - The Father and the Son Are One?

https://www.holyspiritspeaks.org/videos/movie-exploration-of-the-trinity-1/

God is the Trinity, can such saying stand? The Lord Jesus said, "… he that has seen me has seen the Father" (John 14:9), "I am in the Father, and the Father in me" (John 14:10), and "I and my Father are one" (John 10:30). How should we understand these words? Please focus on this film clip.