You can watch "The Lego Movie" streaming on Netflix, including the Netflix Standard with Ads plan

. It is also available for purchase or rental on platforms such as Amazon Video, Apple TV, Fandango At Home, Microsoft Store, and Spectrum On Demand

. Additionally, the movie is available on Peacock streaming service with subscription plans starting at $7.99/month

. In summary, the main streaming options are:

• Netflix (streaming)
• Peacock (streaming, subscription required)
• Purchase or rent on Amazon Video, Apple TV, Microsoft Store, Fandango At Home, and others

This gives you flexibility depending on whether you want to stream with a subscription or buy/rent digitally.