Total knee arthroplasty is a widely used treatment modality with high patient satisfaction. Over a time of period 3–8% of them goes to revision surgery. Revision surgery can be done in single- or multi-stage modes. However, revision surgeries also have complications. Some of these are massive bone defects, soft tissue coverage defects, reinfections or even mortalities. Aim of this manuscript is to give an overall brief summary of the complications of revision knee arthroplasties.