From the earliest days of cinema, film-makers have brought us visions of extra-terrestrial life, from little green men to unknowable intelligences far too abstract to describe. This week, we're exploring how alien designs dictate their role on film, impacting everything from story to performance. Plus, we pick some of favourite extremely alien aliens that have appeared on screen. John's website: www.johnscarratt.co.uk  Follow John on Instagram: @jscarratt  Website: www.sequelisers.com/ Discord: www.sequelisers.com/discord Shop: www.sequelisers.com/shop Twitter: twitter.com/sequelisers Instagram: instagram.com/sequelisers TikTok: tiktok.com/@sequelisers Music by Daniel Williams Learn more about your ad choices. Visit megaphone.fm/adchoices