Guests mention that the Boston Movie Mile Tour is a highly enjoyable experience, with many praising the enthusiastic and knowledgeable tour guides like Sam, Mike, and Liz, who bring the film locations to life with fun trivia and personal anecdotes. Visitors appreciate the blend of movie history and Boston's culture, as well as the interactive elements, such as stopping at iconic sites like the L Street Tavern and Cheers. While most reviews are overwhelmingly positive, some guests noted minor issues like visibility for movie clips and occasional tour cancellations. Overall, it's recommended as a unique way to explore Boston through the lens of its cinematic history.