It's the third rail of New Zealand politics: Touch it and you die. From Richard Seddon's groundbreaking old-age pension, to Rob Muldoon's Dancing Cossacks to, Jim Bolger's "No ifs, no buts, no maybes" Corin and Guyon trace the history of New Zealand Superannuation.

Watch the video version of the episode here.

Or you can watch the full series on the RNZ website here.

Thanks to Ngā Taonga Sound & Vision.

Have a topic you'd like Corin or Guyon to explore? Send your ideas to context@rnz.co.nz

Go to this episode on rnz.co.nz for more details