Charlie makes a friend, while Strand, Wendell, and Sarah's rescue mission hits a snag. Elsewhere, Alicia, Luciana, and Morgan struggle to fulfill their mission.

Freddie Flintoff, Chris Harris and Paddy McGuinness present an electric cars special, each taking up the challenge of constructing a battery-powered sports car on a budget. Plus, Chris takes the Tesla Model 3 for a spin on the test track. Plus, Danny Boyle and Himesh Patel, director and star of fantasy comedy Yesterday, drop into the studio.