Originally aired on March 2, 2008, it is widely considered a pivotal turning point in the series where Walter White begins his transformation into his criminal alter-ego, . Key Plot Points

In one of the show's most famous scenes, Walt uses a crystal of fulminated mercury —disguised as meth—to cause a massive explosion that destroys Tuco's office, forcing Tuco to pay the money owed and agree to a future partnership.

The title is a reference to a line from the 1967 film Cool Hand Luke . It carries a double meaning in the episode:

Facing the side effects of chemotherapy, Walt decides to take a more proactive and aggressive role in his drug business. He shaves his head for the first time in this episode, adopting the iconic bald look.

After Jesse is beaten and hospitalized by the volatile drug kingpin Tuco Salamanca, Walt visits Tuco's headquarters alone.