Spanish for beginners: personal pronouns, ser & estar

Here are four videos. In the first one, Vanessa teaches her new student Jason all the pronouns, and how to conjugate ser, and estar. In this new series, Vanessa will teach him a new topic every week. We think it's very helpful for students to see the real-time progression of another student. Here it is:

In the second one, Dan goes over the personal pronouns:

In the third one, Dan goes over the conjugations for ser and estar:

And in the fourth one, Dan goes over the uses of ser and estar:

Lastly, as a bonus, here is a quiz on ser and estar so you can test your skills.