“Effects of External Conditions” Filming Locations

Helena is super creepy all over town.

Series: Orphan Black Season 1, Episode 4
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Orphan Black episode "Effects of External Conditions" was filmed in Toronto in Canada.
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24 Bright Street as Surgery House

Helena performs surgery on herself and is discovered by a young boy.

Hotel Waverley as Maggie Chen's Apartment

Helena makes Sarah come to her at Maggie Chen's former apartment.

Alley (north of College, west of Spadina) as Helena Collapses

Helena collapses in an alley and is taking into a van by Tomas.

Knox College (U of T) as Church Hideout

The police follow Helena's clues to her hideout in the basement of an old church.