This lecture covers the concept of superdense coding in quantum information, focusing on protocols for encoding and decoding quantum information using entanglement. The instructor explains the principles behind superdense coding, the intrication process, and classic hits in communication. The lecture also delves into the physical transmission of quantum bits between parties A and B, emphasizing the need for shared entangled states. Various examples and protocols are discussed to illustrate the application of superdense coding in quantum communication.