| Episode cast overview: | |||
| Richard Dean Anderson | ... | Colonel Jack O'Neill | |
| Michael Shanks | ... | Dr. Daniel Jackson | |
| Amanda Tapping | ... | Captain Samantha Carter | |
| Christopher Judge | ... | Teal'c | |
| Don S. Davis | ... | Major General George Hammond | |
| Teryl Rothery | ... | Dr. Janet Fraiser | |
| Gary Jones | ... | Sgt. Walter Harriman | |
| Steve Makaj | ... | Colonel Makepeace | |
| Nicole Oliver | ... | Leedora | |
| Gerard Plunkett | ... | High Councilor Tuplo | |
| Danny Wattley | ... | Lieutenant Johnson | |
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Roxana Phillip | ... | Melosha |
SG-1 visits a nameless planet which fascinates Daniel as a casus of the "Broca divide", the cohabitation of stone - and bronze age people: the Touched, aggressive cavemen, and a Minoian urban civilization, the Untouched, but with a twist: it's one population, a disease can turn anyone of the Untouched, who is then banished for life, to prevent contagion, even the king's daughter. Dr. Jackson's frustration when Jack decides to return, because no goa'uld threat is found, won't be repeated as the President has added scientific research to the prioritary objectives, but in this case they didn't leave fast enough: very soon members of the team get symptoms of reversal to an animal state, infecting others on the base. General Hammond is forced to have the whole mountain quarantined. As both Teal'c and Daniel and found to be immune, they return to get a blood sample from the Untouched, while Dr. Fraiser searches frantically for an explanation and cure... Written by KGF Vissers
Colonel O'Neill, Sam, Daniel and Teal'c go to a planet where people previous to the Stone Age live in the dark side and Bronze Age people live in the sunny side. Soon they learn that the Touched is an aggressive people while the Untouched are peaceful. Out of the blue, the daughter of the Untouched king is in observation since she have just had contact with the Touched. Further, the Goa'ulds have passed by the planet many years ago. O'Neill decides to return to Earth and soon they discover that they are infected by a strange disease and contaminating the others in the base. However Teal'c, Daniel and Dr. Janet Fraiser are immune and General Hammond orders to seal the mountain and leave the base in quarantine. Teal'c and Daniel return to the planet to get blood sample from the Untouched so that Dr. Frasier may research a cure. But when they arrive, Daniel is abducted by the Touchable and Teal'c does not have support from the Untouchable. Will Dr. Frasier find the cure for the infection?
"The Broca Divide" is an excellent episode of "Stargate SG-1" with a great story of outbreak. The plot is consistent and has funny moments, like when Samantha attacks O'Neill in the locker-room. My vote is nine.
Title (Brazil): "The Broca Divide"