8.286 The Early Universe (Fall 2013, MIT OCW). Instructor: Professor Alan Guth. The Early Universe provides an introduction to modern cosmology. The first part of the course deals with the classical cosmology, and later part with modern particle physics and its recent impact on cosmology.
(from ocw.mit.edu)
Lecture 02 - Inflationary Cosmology: Is Our Universe Part of a Multiverse? Part II
In this lecture, the professor summarized the standard Big Bang, cosmic inflation, evidence for inflation, inflation and multiverse, nightmare of dark energy. He also talked about the landscape and environmental selection, anthropic arguments, anthropic explanation, etc.