The Cosmological Argument or First Cause Argument is a philosophical argument for the existence of God. In this sense, it is one of the highly regarded arguments for the the existence of God. The basic premise of the argument is that the universe has its beginning; something caused it to exist. And the First Cause must be an Uncaused Cause which is by extension is the Supreme being, God.
In the following video, well-known philosophers like William Lane Craig, Quentin Smith, and other philosophers discuss the cosmological argument for the existence of God along with Big Band model.
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Dr. Douglas Groothius lecture on the Cosmological Argument:
CAFNepal 