Streaming HD movies can be legal or illegal, depending on the source of the content. If you are streaming from a legitimate source such as a licensed streaming service like Netflix, Amazon Prime, or Hulu, then it is legal. However, if you are streaming from unauthorized sources that distribute copyrighted content without permission, then it is illegal. It is important to be aware of the source of the content and ensure that you are accessing it through legal means to avoid any legal issues. **

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! **

One series that one can watch with their girlfriend is "Friends". It is a classic sitcom that offers humor, relatable characters, and entertaining storylines that both partners can enjoy. Another option could be "The Office", which also provides a mix of comedy and heartwarming moments that can be enjoyed together. Lastly, "Stranger Things" is a great choice for couples who enjoy sci-fi and suspenseful storytelling. **

You can watch exciting movies with your girlfriend by choosing a movie genre that you both enjoy, such as action, thriller, or comedy. Create a cozy movie night atmosphere with dim lighting, comfortable seating, and some snacks. You can also take turns picking movies to keep things interesting and engaging. Lastly, make sure to discuss the movie afterwards to share your thoughts and feelings about it. **

You can watch horror movies that have a good balance of scares and thrills without being overly gory or disturbing. Some recommendations for horror movies to watch with your girlfriend could be "A Quiet Place," "The Others," "The Conjuring," "Get Out," or "Crimson Peak." These movies have engaging storylines, well-developed characters, and a mix of suspense and jump scares that can be enjoyable for both of you to watch together. **

Romantic comedies like "The Notebook" or "Crazy, Stupid, Love" are great choices for a movie night with your girlfriend. These movies offer a mix of romance, humor, and heartwarming moments that can be enjoyed together. If your girlfriend enjoys action and adventure, movies like "The Princess Bride" or "Pirates of the Caribbean" can also be a fun and entertaining choice for a movie night. Ultimately, the best movie to watch with your girlfriend is one that aligns with both of your interests and preferences. **

There are several websites and platforms where one can watch series and movies online for free, although it's important to note that the availability of content may vary by region. Some popular options include streaming services with free ad-supported tiers like Pluto TV, Tubi, and Crackle. Additionally, some networks and studios offer free content on their official websites or YouTube channels. However, it's important to be cautious and ensure that the sources are legal and legitimate to avoid any potential copyright infringement issues. **

You can watch a series with your girlfriend by first choosing a show that you both are interested in. Then, set a regular time to watch the series together, whether it's a specific day of the week or a certain time each day. Make it a cozy and comfortable experience by preparing some snacks and drinks, and create a relaxing environment. Lastly, discuss the show together and share your thoughts and reactions to deepen your connection and enjoy the experience together. **