Recent years have seen a budding interest in therapeutic applications of creative machines, spanning both autonomous systems and agents that enrich the human creative process. This paper takes a deep dive into therapeutic modalities through the lens of computational creativity and explores opportunities in this exciting emerging domain. In addition to bringing to light to how computational creativity can interface with mental health and wellness, the current paper brings attention to the potential risks and pitfalls of bringing creative machines into the therapeutic context. We hope that this work, conducted in collaboration between CC researchers and practising psychotherapists, will help pave the way forward to responsible and effective applications of computational creativity to therapeutic domains.