What is the experience of toy story midway mania?

The verified evidence supplied contains only a list of characters from the Toy Story franchise and does not mention any event, concept, or term called 'midway mania.' Because this term is not referenced in the documents, no description, context, or details can be provided. If you are looking for a specific scene, episode, or fan event related to Toy Story, please provide additional information or sources that contain that term so a reliable answer can be generated.