Addition streaming: where to watch online?
We couldn’t find any streaming options in the United States right now. Addition is available in Australia and New Zealand on JustWatch TV, Apple TV Store, and 2 other services.
Addition (2026)
7.4 (108)1h 31min
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Addition is not available for streaming in the United States. After checking 1,527 streaming services, we found the title in 2 other countries.
New Zealand 
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Synopsis
Numbers are everything to Grace Lisa Vandenburg. The life of Grace, a Melbourne-based mathematician, is largely governed by her arithmomania, an obsessive-compulsive need to count (three times to ensure accuracy) everything from the poppy seeds on her cake to the bristles on her toothbrush. In a chaotic, sometimes tragic, and constantly changing world, Grace’s preoccupation gives her a sense of order and control. And she does her best to lead a “normal” life, spending time with her mother and sister, her beloved niece Larry… and a manifestation of the late inventor and engineer Nikola Tesla who is Grace’s closest confidante.
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Cast
Teresa Palmer
Grace Lisa Vandenburg
Joe Dempsie
Seamus
Eamon Farren
Nikola Tesla
Adrienne Pickering
Zahra Newman
Sarah Peirse
Lois Baxter
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