Lesson 1: Using the Verbs Ser [to be] & Estar [to be], Part 1

http://www.youtube.com/watch?v=9SJUehZzdHc

Lesson 2: Using the Verbs Ser [to be] & Estar [to be], Part 2

http://www.youtube.com/watch?v=sHGgAbJ9Lk4

Lesson 3: Using the Verbs Ser & Estar, Part 3

http://www.youtube.com/watch?v=sPRWnL2kGok

Lesson 4: Using the Verbs Ser & Estar, Part 4

http://www.youtube.com/watch?v=SvqiU107Nbk