Mad Money W/ Jim Cramer

The Dow roared 561 points, the S&P jumped 1.78%, and the NASDAQ surged more than 2% today - big names and headlines moved the market but Jim Cramer is explaining how Micron had the biggest impact on the averages. Then, Cramer's making sense of the omicron variant with Dr. Michael Mina. Next, Is the Santa Claus rally coming to town? Cramer's going Off The Charts to find out what the new year could bring. Plus, the CEO of Blade Air Mobility, Rob Wiesenthal, talks to Cramer after sales for the company known as the "Uber for helicopters" soared this past quarter.