http://www.guitartricks.com/course.php?input=2
In Guitar Fundamentals 2, he starts off with intervals. Have you gone through Guitar Fundamentals 1 yet?
One thing I've learned is that (for me personally) I can't rush things. I did when I went though fundamentals 1 and 2, then found that I constantly was going back. All the ground work is in those two courses.
[U]Ricks Current Mystery Video[/U] - Updated Monday March/02/2015