If you listen carefully the Vicar begins the ceremony with 'Bearly Deloved' instead of 'Dearly Beloved'
Rory Wilton plays Chippy Miller in this episode and a further six. He earlier played the part of Mr Hubble in episode 5.1, Preserve the Romance (2011).
Aunt Ruth wonders if you can start a fire in a bowl of water. If you drop metalic sodium in water you get a dramatic fire. Metalic potassium in water doesn't burn so much as explode.