Are there any exclusive toy story plush lines?

The only verified data available describes the film Toy Story 4, its production details, cast, and place within the Pixar series. No mention is made of merchandise, specific plush collections, or exclusive toy lines associated with the franchise. Without additional sources, a reliable answer about exclusive Toy Story plush lines cannot be given. If you need detailed information on merchandise, consider consulting official Disney/Pixar product announcements or licensed retailer catalogs.