Vision problems for space travellers, Mobile Phone pips, jumping into the void. Song: This Lab.

Interview: Stuart Layt. Segments: Feathered T-rex, Cryptozoo telekinesis. Sketches: Perspective News, Pet Store and Favourite Film.

How music works, How Adele works and a song by Dan about bioluminescence.

Interview: David Harris. Segments: Warp Drive deceleration, re-enactment of the Copenhangen interpretation. Sketches: Higgs Poem, StormTroopers, Great Apes.

Segments: Mobile Phone pips, Speaking backwards, Hypnosis, lifting heavy stuff. Story: The Cat.

Interview: Peter Booth. Segments: Earth Weight, Dan's son, How many dead people, Miscarriages. Sketches: History Shaft, Letter Reading.