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)