Facing a hostile cartel chemist, Jesse asserts dominance in the lab, achieving a 96.2% purity that proves he is more than just Walter White’s assistant.
In the aftermath of the massacre, with Gus incapacitated and Mike wounded, Jesse is the one who keeps his head, gunning down Gaff and driving them to safety. Walt’s Vulnerability [S4E10] Salud
This episode represents Jesse’s definitive transition from an amateur to a professional capable of operating under extreme pressure. Facing a hostile cartel chemist, Jesse asserts dominance
Skyler continues her attempt to manage Ted Beneke’s tax problems, leading him to believe the money she provided came from a "Great Aunt Birgit". Facing a hostile cartel chemist
While the action unfolds in Mexico, Walter White is at his lowest point.