S37·E30 Episode 4909 (Mon 11th Feb 2008)

Katie invites Gray out for lunch after an appointment with the midwife but he knocks her back. Katie makes her move anyway and she attempts to seduce him. Gray tells her that he wants to take things slowly and relents on going to the pub for lunch. Katie's surrogacy is accidentally outed in The Woolpack by Carl while he is bickering with Matthew. Katie tells Gray that now the secret is out, it's time for their relationship to move on.