Halfway through. Think Cosmos meets Broadway meets Monty Python and you have about got it. Brian Cox plays along with the silliness nicely but is a bit swamped by playing straight man to literally every one else in the cast. A bit weak on the science in the end but highly entertaining. And it shows a very delightful new side of Warwick Davis (Wicket, the main Ewok character in Return of the Jedi, and Willow in George Lucas's fantasy film of the same name): singer, dancer, and comedian. He almost steals the show, at least as far as I have watched.