The Dow tumbled 340 points and Jim Cramer is guiding investors through the major averages' continued carnage. Then, in a two-part interview, SEC Chair Gary Gensler joins Cramer to discuss cryptocurrency, SPAC regulation, retail investors, climate change disclosures and the SEC's plans to protect investors. Next, SoFi surged 14% today on news of its regulatory national banking charter win and Cramer's sitting down with CEO Anthony Noto to break down what it means for the company going forward. Finally, Cramer declared the oil stocks uninvestable at one point, but he's changed his tune as the space has evolved- listen up to find out why.