The Political Butterfly Effect Episodes Available now
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![](https://ichef.bbci.co.uk/images/ic/320x180/p07lgqfz.jpg)
Did a doomed West End musical shape Australia's immigration policy?
Jim Waterson asks if a doomed West End musical left migrants living on a Pacific island.
![](https://ichef.bbci.co.uk/images/ic/320x180/p07lgqfz.jpg)
Did one man from Iraq make Norway rich?
Jim Waterson asks whether one Iraqi man turned Norway into an incredibly wealthy country.
![](https://ichef.bbci.co.uk/images/ic/320x180/p07lgqfz.jpg)
Did a handwritten note make Theresa May prime minister?
Jim Waterson asks whether one single piece of paper put Theresa May in Downing Street.
![](https://ichef.bbci.co.uk/images/ic/320x180/p07lgqfz.jpg)
Did the Vietnam War Break America's Food System?
Jim Waterson investigates how the Vietnam war and a glut of corn changed what America eats
![](https://ichef.bbci.co.uk/images/ic/320x180/p07lgqfz.jpg)
Did Mr Blobby upend local politics in Lancashire?
Jim Waterson looks at how a doomed theme park investment caused chaos in a seaside resort.
![](https://ichef.bbci.co.uk/images/ic/320x180/p07lgqfz.jpg)
Did your holiday photos spread global chaos?
Jim Waterson explores a single moment that inadvertently shaped modern history.
![](https://ichef.bbci.co.uk/images/ic/320x180/p07lgqfz.jpg)
Did Bovril keep us out of the euro?
Jim Waterson explores a single moment that inadvertently shaped modern history.
![](https://ichef.bbci.co.uk/images/ic/320x180/p07lgqfz.jpg)
Did an engine failure fuel the climate crisis?
Jim Waterson explores a single moment that inadvertently shaped modern history.
![](https://ichef.bbci.co.uk/images/ic/320x180/p07lgqfz.jpg)
Did the Black Panthers change the NRA?
Jim Waterson explores a single moment that inadvertently shaped modern history.
![](https://ichef.bbci.co.uk/images/ic/320x180/p07lgqfz.jpg)
Did a drunken headbutt cause Brexit?
Jim Waterson explores a single moment that inadvertently shaped modern history.