Biological underpinnings (i.e., "bio" of bio-psycho-social approach) of Bipolar Disorder (BD) comes to the forefront when addressing its etiology and treatment. However, it is a condition that is challenging to manage with medication, and often the medication alone is insufficient since the symptoms of the disease have different episode characteristics. When the prevalence and inefficacy of drug treatments are considered together, the cruciality of psychosocial interventions in the treatment of the is undeniable. Moreover, treatment non-compliance is another problem that needs to be addressed psychosocially. Cognitive Behavioral Therapy (CBT) has its unique place among psychosocial interventions with numerous features such as being empirical and flexible, and it is recommended as an evidence-based adjuvant therapy in all stages of the disorder except acute mania. In this review, we discuss how CBT is used in specific domains of the disorder, following a general outlook on the evidence for CBT in BD. We focused on the essentials of psychotherapy practice with a pragmatic approach from the CBT point of view.