"Shakespeare's Lost Plays" refers to the works attributed to William Shakespeare that are believed to have existed but have not survived to the present day. Historical records mention several titles, such as Love's Labour's Won and Cardenio, but no copies of these plays have been found. Scholars speculate that they may have been performed during Shakespeare's lifetime but were lost due to various reasons, including neglect or destruction. The concept of lost plays highlights the limitations of historical documentation in the Elizabethan era. Many works were not published or preserved, leading to gaps in our understanding of Shakespeare's complete oeuvre. The mystery surrounding these lost plays continues to intrigue researchers and fans of Shakespearean literature.