Episode 1 “Engineering“ Episode 2 “Electricity“ Episode 3 “Eating“ Episode 4 “Exploration“ Episode 5 “Europe“ Episode 6 “Everything, Etc.“ Episode 7 “Espionage“ Episode 8 “Eyes & Ears“ Episode 9 “Entertainment“ (Children in Need Special) Episode 10 “England“ Episode 11 “Endings“ Episode 12 “Empire“ (Christmas Special) Episode 13 “Elephants“