In a test to become an astronaut, candidates must demonstrate their ability to blow bubbles for an extended period of time. Candidates will be chosen to move forward based on their performance in this test, as it indicates their ability to withstand the challenging conditions of the role.
The team listens in to communications coming from outer space and notices a pattern: each signal represents a prime number. They determine that the signal is coming from the star, Vega. After recording the sequence, the team displays on the computer screen that every prime number between 2 and 101 has been sent to them.
Before the show, Ellen checked the Facebook pages of several people in the audience and found some interesting, public photos. She displays some of them on the big screen and asks clarifying questions about them.