S37·E60 Episode 4945 (Mon 24th Mar 2008)

Katie and Gray attend a baby scan and discover they are having a boy. Later at The Woolpack, Perdy sees the scan photo in Katie's hand and is furious that Gray didn't tell her. Perdy screams at Katie that she's being used and Gray instructs Diane to call the police. Meanwhile, outside the pub, Paul defends Perdy to Gray who then reveals their fling. As Perdy becomes hysterical, Donna turns up and arrests her. Viv and Bob wait at the police station to report Freddie and discover they will be interviewed separately.