Einstein's postulates are the foundational principles of his theory of special relativity. The first postulate states that the laws of physics are the same in all inertial reference frames. The second postulate asserts that the speed of light in a vacuum is constant for all observers, regardless of the motion of the source or the observer. These postulates led to the development of the theory of special relativity, which revolutionized our understanding of space, time, and the nature of reality. **

Kant's theoretical postulates are three fundamental beliefs that he argued were necessary for human understanding and knowledge. These postulates are the existence of God, the immortality of the soul, and the existence of free will. Kant believed that these postulates were necessary in order to make sense of the moral law and the possibility of achieving moral perfection. While these postulates cannot be proven through empirical evidence, Kant argued that they were necessary assumptions for ethical reasoning and the pursuit of moral goodness. **

One of Einstein's postulates is the principle of relativity, which states that the laws of physics are the same for all observers in uniform motion. Another postulate is the constancy of the speed of light, which asserts that the speed of light in a vacuum is the same for all observers, regardless of the motion of the light source or the observer. These postulates formed the foundation of Einstein's theory of special relativity and led to groundbreaking insights into the nature of space, time, and energy. **

The postulates of customer production in East Germany emphasized the importance of meeting the needs and demands of consumers. This approach aimed to ensure that products were produced based on customer preferences and feedback, rather than solely on the decisions of the state. Customer production also focused on improving the quality and variety of goods available to consumers, in order to increase satisfaction and loyalty. Overall, the goal was to create a more customer-centric economy that prioritized the well-being and preferences of the people. **

One can watch old TV shows online by subscribing to streaming services like Netflix, Hulu, or Amazon Prime Video, which often have a library of older TV shows available for streaming. Another option is to check if the specific TV show is available for purchase or rental on platforms like iTunes, Google Play, or Vudu. Additionally, some TV networks have their own websites or apps where they offer a selection of old TV shows for free with ads. **

Many actors do watch their own TV shows and movies, as it allows them to reflect on their performance and learn from their work. Some actors may find it difficult to watch themselves on screen, while others may enjoy seeing the final product. Ultimately, it varies from actor to actor and their personal preferences. **

There are several ways to watch free movies and TV shows. One option is to use streaming platforms that offer a selection of free content, such as Crackle, Tubi, or Pluto TV. Another option is to check if your local library offers a streaming service that includes movies and TV shows. Additionally, some networks and studios release episodes of their shows for free on their websites or YouTube channels. **

As an AI, I don't have the capability to watch movies and series on streaming sites. However, I can provide information and recommendations based on user preferences. If you have any specific questions or need assistance with finding content to watch, feel free to ask! **