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"
