Recent reform and developments in mental health care provision have increasingly espoused the value of multiprofessional teamwork in order to ensure that clients are offered coordinated packages of care that draw on the full range of appropriate services available (DoH 1999a; DoH 2000). Supervision in some form is seen as a key part of all professional practice to provide support to practitioners, enhance ongoing learning, and, to a greater or lesser degree, offer some protection to the public (Brown & Bourne 1996, UKCC 1996). Clinical supervision has gained increasing momentum within the nursing profession, but to a large extent this has been within a uni-professional framework - nurses supervising other nurses. This paper seeks to explore the ways in which multiprofessional working and clinical supervision interlink, and whether supervision across professional boundaries might be desirable, possible, and/or justifiable. Whilst our own view is that multiprofessional supervision is both possible and desirable, we seek to open up a debate, from our perspective as mental health nurses, about some of the issues related to the concept. Our motivation to explore this topic area emanates from our experiences as supervisors to colleagues within multiprofessional teams, as well as the experiences of those attending supervisor training courses. Following a brief overview of the development of clinical supervision in mental health care and recent policy guidelines, some models of clinical supervision are reviewed in terms of their suitability and applicability for multiprofessional working.