John is revealed to have been a "fighter" since age 4, a direct nod to Dean beginning his training at the same age.
Community-driven subtitle repositories such as My-Subs often host "PT" versions uploaded by fans. The Winchesters Legendas PortuguГЄs (pt) S01E04
The "Monster of the Week" is revealed to be , a Celtic war god (hidden as a veteran named Jimmy). He traps John and Carlos in a mental "war zone" to harvest their rage. John is revealed to have been a "fighter"
John and Carlos's hospital infiltration mirrors Sam and Dean’s undercover psych ward mission in Supernatural Season 5. The Winchesters Legendas PortuguГЄs (pt) S01E04