Marking New Zealand television’s 50th birthday, this TVNZ Heartland series looked back at the medium's history, decade by decade. Each episode featured an interview with a prominent TV figure from the era. In this excerpt from the 1970s survey, host Andrew Shaw interviews broadcaster Brian Edwards, who reflects on changes in TV political interviewing from veneration to confrontation, and the impact of Muldoon; his key role in brokering a Post Office dispute, live on screen; and the birth of consumer affairs show Fair Go, and why it has lasted so long.

Sensuous expressions of landscape and the human form made Edward Bullmore (aka Ted Bullmore) a pioneer of surrealism in New Zealand art. This Kaleidoscope report interviews the painter’s colleagues and family, and surveys the artist’s life and career: from an unlikely mix of Balclutha farm boy, Canterbury rep rugby player and Ilam art student, to success in 60s London – exhibiting with René Magritte and Salvador Dali, and having his works used by Stanley Kubrick in film A Clockwork Orange – before returning to teach in Rotorua (and obscurity), and his untimely death in 1978.

John Kirk, son of the late prime minister Norman Kirk, is Brian Edwards’ interviewee in this episode from a series featuring the children of famous parents. While undeniably proud of his father, he pulls few punches in describing how his family suffered from the often negative attentions of others, and the demands placed on Big Norm which competed with his role as a husband and father — and may ultimately have contributed to his early death. Kirk was an MP representing his father’s seat of Sydenham, but his political career would not be as illustrious.

In the mid-70s New Zealand was on the edge of recession, and the petroleum-dependent economy was reeling from the first oil shock (the cost of importing oil had ballooned due to restricted supply). To help conserve power, Television One and the Government-run New Zealand Electricity teamed up for a series of public service announcements. In this 1975 slot, English actor Edward Woodward — fresh from starring as secret agent Callan, and playing the uptight sergeant in cult horror The Wicker Man — raises a toast to NZ, and counsels Kiwis to ‘save power’ in his inimitable style.

The decade of fondue and flares also cooked up colour television. Our black and white living room icons — from Selwyn Toogood to Space Waltz — melted into a Kiwi kaleidoscope of Top Town, Grunt Machine, and Close to Home. And 'our stories' and rights fights — boks, hikoi, nukes and 'nam — echoed onscreen (Sleeping Dogs, Tangata Whenua). Ready to roll?

This collection celebrates Kiwi comedy on TV: the caricatures, piss-takes, and sitcoms that have cracked us up, and pulled the wool over our eyes for over five decades. From turkeys in gumboots and Fred Dagg, to Billy T, bro'Town and Jaquie Brown. As Diana Wichtel reflects, watching the evolution of native telly laughs is, "a rich and ridiculous, if often painful, pleasure."