Notes are available in two formats:
We also have notes taken by our official scribe.
If you want more information than is contained in the textbook, then Kevin Murphy's thesis:
K. P. Murphy Dynamic Bayesian Networks: Representation, Inference and Learning, PhD Thesis, Department of Computer Science, UB Berkeley, 2002.is the definitive work. The early parts, in particular, provide a nice succinct introduction to the area.