You do not need to risk your device or your legal standing to watch Mark Watney survive on Mars. Here are the legitimate platforms where The Martian is currently streaming (Availability changes by region, but generally):
Studios now embed unique, invisible watermarks in films sent to cinemas and streaming platforms. If a user uploads that copy to Isaidub, the studio can trace which theater or which OTT account leaked it and prosecute them. isaidub the martian
Using unofficial platforms like to watch The Martian comes with several drawbacks and dangers: You do not need to risk your device
Growing potatoes using Martian soil and improvised fertilizer. Using unofficial platforms like to watch The Martian
Piracy violates copyright laws and does not support the creators of the film. Safe and Legal Alternatives
If the movie is free, you are the product. Stay safe, stream legally, and save the science.