The Doctor, Amy Pond and Rory Williams arrive onboard the star ship Solaros 10 as the crew — Professor Parsek and pilot Sorben — prepare to travel faster than the speed of light for the first time. The Doctor's warning comes to late. As the solar stack redlines, the Professor is caught in a blast of a condensed solar energy flare with the unfortunate side effect of transforming him into some kind of neoform reptilioplas. A second blast leaves Sorben out cold.