There is a lot of talk about the hot onscreen chemistry between actors Kristin Bell and Adam Brody in the hit new Netflix series, Nobody Wants This. Based loosely on series creator Erin Foster’s own romance with husband Simon Tikhman, the irreverent romcom follows a sex podcasters’ whirlwind love affair with a rabbi.

Notably, the sensual first kiss between the couple on a Los Angeles sidewalk one evening two episodes in has tongues wagging. But this is not the first case of opposites attract on TV nor, arguably, the steamiest small-screen smooch.

The onscreen kiss has a long and storied history. Many viewers form strong connections with characters they enjoy and consider them friends – called parasocial relationships – more so when story lines lean towards love.

Seeing caresses on screen can trigger the same neurons that fire when we lock lips in real life, making certain scenes very memorable and oh-so-marketable. Here are some of the best and the ingredients that make them great.

What fan of Friends could forget the classic first........

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