Hearts and Bones

If You Don't Know Me by Now (1x4)

Air date: May 21, 2000

Worried that Emma is being unfaithful, Mark tries to improve their relationship and social life by inviting a colleague and his wife to dinner, but the evening does not go according to plan. Sinead realises her love for Mark will remain unrequited and arranges a blind date via the Internet in the hope of meeting the man of her dreams.