In this episode: The Star Wars Trailer and Back to the Future. Plus, accelerating a 2009 iMac with a SSD.

In this episode: NASA finds evidence for water on Mars; a review of The Martian. What does Pope Francis think of extraterrestrial life?

* Will there be a Doctor Who Spin Off? [1:00]

* How Alfred Hitchcock helped to prove consciousness in comatose patients [6:30]

* Marvel reacts to Spielberg [17:00]

* Reviewing episode 1 of mini-series Ascension on Netflix [31:00]

* How do Star Dates work? [36:30]

* Google introduces Nexus 5X & 6P + Pixel C tablet at $499 16 GB. [47:00]

* Cognitive Behavioral Therapy for Dummies. [6:30]

* Geek merchandise in Rome. [17:00]

* Facebook 360 degree movies - speed race on the planet Jakku. [31:00]

* Review of the book Elevated by Daniel Solomon Kaplan. [36:30]

* Thoughts about the Oculus Rift conference: Netflix, Bullet Train and Minecraft. [47:00]

* Is Apple really developing a self-driving car or are they working on something else? [1:00]

* Pope names U.S. Jesuit planetary scientist to head Vatican Observatory. More beautiful Pluto photos and a Nevada desert planetary experiment [6:30]

* No superhero Emmies; Fall superhero shows. [17:00]

* The short film "Summer '78" [31:00]

* Star Trek Beyond delayed by Tarzan? [36:30]

* How Apple Watch heart monitor saved a teen's life [47:00]

- Looking forward to Star Wars: The Force Awakens [1:00]

- Who owns Mars? [6:30]

- Marvel's Jessica Jones [17:00]

- Star Wars poetry [31:00]

- Back to the Future documentary [36:30]

- Thoughts on the new Apple products: the iPad Pro, the Apple TV and the iPhone 6S [47:00]