Inclusion Criteria:  People aged 18 years and over Individuals with a diagnosis of Bipolar Spectrum Disorder. People accessing services or third sector agencies and/ or living in England. Access to personal use of technology is required for online therapy.  Exclusion Criteria:  People presenting with extreme risk to self or others and engaging in active suicidal thoughts and/or behaviours. Problems of an organic nature, such as a brain injury or learning disability that might affect cognitive functioning. People already receiving a talking therapy for their difficulties People unable to speak/ understand sufficient English. Anyone already receiving talking therapy at the time of enrolment Anyone with a diagnosis of schizophrenia, schizoaffective disorder, primary substance misuse (mood swings caused purely by substance misuse), or psychosis outside of mood episodes or current episode of mania. People who do not have access to the internet and a video calling device.