Ghost Chasers - Season 1 Episode 4 Cheltenham

The team investigate paranormal activity in Cheltenham in south west England. At a 400 year old pub called the Plough, using their random word generator they attempt to make contact with the pub's resident ghost. The results are bizarre; both Ian and Chris suddenly experience uncontrolled fits of laughter. Later at The Cheltenham Playhouse Theatre Kay witnesses a chair rocking back and forth on its own with no obvious explanation. They hold a séance which gets out of hand when the table begins spinning wildly around. Have the spirits of taken control?