When Karl finds a pregnancy test in Natalie's drawer, he assumes that she is pregnant and sets about proving what a great father he can be, but his over-the-top efforts have the opposite effect, especially since the test is Trish's and not hers. Meanwhile, Angela brings her cat - which really is pregnant - into work.

• Claire Downes
• Ian Jarvis
• Stuart Lane

• Rosie Cavaliero
• Bill Milner
• Sarah Hadland