The Sky at Night in the Multiverse of Mystery is a magical journey into the far-flung ideas at the very edge of scientific knowledge, exploring the concepts that today seem like science fiction but may one day become science fact.

Delving into the archive at the Royal Society, we look at the dreamers who first considered the possibility of travelling to the moon and black holes long before they could be proven to exist. From there, the team explore some ideas and theories that today could be dismissed as fanciful thinking.

They imagine a world where a popular TV programme asks two scientists, Hiranya Peiris and Emma Chapman, to meet, have dinner and talk science, all under the watchful eye of ma?tre d' Pete Lawrence.

Meanwhile, Maggie Aderin-Pocock sails off to explore the realities of interstellar travel, and astrobiologist Doug Vakoch explains some of the challenges of communicating with aliens. Astrophysicist Becky Smethurst is lost in a world of black and white holes, and Chris Lintott, as you have never seen him before, argues the case for a multiverse.

Along with animation from the BBC Ideas team, this edition of The Sky at Night shines a very different light on the world of astrophysics.