There are many chanoyu videos on YouTube, but we only recommend this channel for temae practice. Before and after each class review the following two videos if you hope to complete the Introductory course in four classes.

YouTube Channel: Sadou Kaikan 

The tea procedure (temae) studied in separate parts (Warigeiko)
https://youtu.be/frh6U-j0jKY 

Abbreviated tea procedure with a tray (Bonryaku temae)
https://youtu.be/n6uNT8wzUfw

Additional Helpful Videos 

Tea Cultivation – Koyama-en Uji matcha
https://youtu.be/TEbo26KVkBc 

Tea Whisks
https://youtu.be/wW7X7pcSQes?t=89