Episode 1"Danger"Episode 2"Discoveries"Episode 3"Dogs"Episode 4"Dictionaries"Episode 5"Death" (Halloween Special)Episode 6"Drinks"Episode 7"Differences"Episode 8"Descendants" (Children in Need Special)Episode 9"Doves"Episode 10"Divination"Episode 11"Denial & Deprivation"Episode 12"Domesticity"Episode 13"December" (Christmas Special)