These series rely on gimmicks - whether contestants are required to take off all their clothes or get married at first sight. But romance can flourish regardless

After a half-century of dating shows, the genre has grown increasingly outlandish. Naked dating, marrying complete strangers, secret cameras – it can’t be long before singletons are blasted into space in one of Elon Musk’s rockets to find love. But behind all the gimmicks, do any of these shows lead to long-lasting love? We spoke to four couples.