Synopsis:
Walt takes some tests to see if the chemo is helping. Saul teaches Walt about money laundering. Skylar suggests a weekend vacation, but Walt tells her he wants to see his mother instead. However, he really meets Jesse to cook more meth. After cooking 42 pounds of meth, the generator runs out of gas. Walt tries to jumpstart the battery. Jesse spills some gas and the generator catches on fire. They put it out with their drinking water, but still can't get the generator going again. Walt creates a battery using science and they get the RV started again. Walt receives good news from the doctor--his cancer is in remission.