Sonic Drive-In primarily operates in English, being an American fast-food chain. However, depending on the location, some restaurants may offer menus or promotional materials in other languages, especially in areas with a significant population of non-English speakers. This is often to enhance the customer experience and ensure that all guests can understand their dining options. Moreover, it is common for fast food chains to provide bilingual or multilingual staff in locations with diverse communities to accommodate customer needs. If you are looking for specific language options at your nearest Sonic, it is advisable to check the location's specific website or visit the restaurant directly for the most accurate and up-to-date information regarding language offerings.