4x8Hermanos Episode Summary Aired: Sunday September 4, 2011
In a flashback, Gus visits Hector (Tuco's uncle) and informs him of the death of his nephews after their attempt to kill Hank. In the present, Gus is questioned by Hank and the DEA. Hank gets Walt to plant a tracking device on Gus' car. Walt tells Jesse to poison Gus as soon as possible. In another flashback, Gus and his business partner Max meet Hector when they approach drug kingpin Don Eladio, requesting to go into meth production with him. At Don Eladio's instruction, Hector shoots and kills Max as a warning to Gus.