Series 21, Episode 5 was the fifth episode in Top Gear's twenty first series. The episode first aired on the 2nd of March, 2014. It was the final studio episode of the twenty first season of the show.
Aaron Paul, from Breaking Bad and the upcoming Need for Speed movie, is the final celebrity for series 21 to drive around the test track.
Jeremy goes sideways in the new BMW M135i and VW's Golf GTI.
Richard heads to the Yas Marina circuit for a nocturnal drive of Porsche's 918 Spyder.
Jeremy and James create a public information film for cyclists on the dangers of the road.