When the banks began to fail in 2008, executives turned to Warren Buffett in a plea for last-minute funding.
He later called the events that followed an "economic Pearl Harbor."
Watch the video above for an in-depth discussion between CNBC's Andrew Ross Sorkin and the Oracle of Omaha as he reflects on the week that led to the worst financial crisis in decades.
The CNBC Original "Crisis On Wall Street: The Week That Shook The World" premieres Wednesday, 10pm ET/PT.
