Thanks for the the positive feedback and comments.
Some long time Wireshark users commented that it was a good refresher and they actually learned a thing or two, while others new to Wireshark enjoyed the info and pace.
Here is the link to this weeks Lecture 3 - opening, saving and basic navigation
For those of you who missed the previous classes:
Wireshark Class - Lecture 2 - Preferences and Setup https://www.youtube.com/watch?v=BGw-pa9mZv4
Wireshark class Lecture 1 - Getting started https://youtu.be/7CGGEOFwqw8
Enjoy