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Based on edit of question, I'll argue no, there are no films that have shown this. There are some documentaries that have shown revival of frozen bodies and even made it a fairly "major" theme, such as the upcoming Cry documentary @cde has mentioned in the comments.

Based on edit of question, I'll argue no, there are no films that have shown this. There are some documentaries that have shown revival of frozen bodies and even made it a fairly "major" theme, such as the upcoming Cry drama @cde has mentioned in the comments.

Edit:

Based on edit of question, I'll argue no, there are no films that have shown this. There are some documentaries that have shown revival of frozen bodies and even made it a fairly "major" theme, such as the upcoming Cry documentary @cde has mentioned in the comments.

But as far as I'm aware, all of the bodies are only legally dead, not actually dead. If a body was dead, it's dead. We cannot revive the brain. A futuristic movie could depict such a thing, but it's hard to argue this is realistic as once the brain is dead, it's dead.

It's impossible to answer this question (and here's my... er, answer, explaining why!)

To understand why, we need to under cryonics. Alcor is a life extension foundation who are involved in cryonics. On their own website, they have a frequently asked questions section, with the following information:

Q: What is cryonics?

A: Cryonics (from Greek kryos meaning icy cold) is the low-temperature preservation of humans who can no longer be sustained by contemporary medicine, in the expectation they can be healed and resuscitated in the future using more advanced medical technologies. Cryopreservation of people is not reversible with current technology, and is today only practiced following legal death. The rationale for cryonics is that current medical and legal definitions of death are inaccurate and that cryopreserved patients who do not meet the more stringent information-theoretic definition of death retain sufficient biological/neurological structure to be restored to full physical and mental health using advanced future technologies. See About Cryonics.

Q: Has anyone ever been revived?

A: No adult human has ever been revived from temperatures far below freezing. Cryonics patients are cared for in the expectation that future technology, especially molecular nanotechnology, will be available to reverse damage associated with the cryonics process.

Q: Aren’t cryonics patients dead?

A: A person who can be resuscitated is not dead. Therefore if cryonics patients are preserved well enough that they might someday be resuscitated, then they aren’t dead: they are cryopreserved.

Before cryonics procedures can begin under present law, a patient must be legally dead.

I've highlighted some key pieces of information that show two very important facts:

1. No one has ever been revived from a cryonic state, as the technology isn't advanced enough yet to do this.
2. For any patient to be cryopreserved, they must be declared "legally dead".

In your question, you ask: Are there any (realistic) movies about cryopreservation?

The problem here is obvious: as there's never been a successful revival of a preserved patient, we have no idea what a realistic revival would actually look like.

Of course, there are plenty of films that have attempted to show cryonics. Iceman showed a prehistoric man who had been frozen in ice naturally and was revived. Aliens, Avatar, 2001: A Space Odyssey and Interstellar all showed it being used to traverse great distances in space (which is the most common reason it is shown). Demolition Man shows freezing being used as a form of penitentiary. From a more light hearted point of view, Futurama shows the lead character unwittingly become frozen, waking up thousands of years later.

But it's impossible to comment on how realistic any of these depictions are, because we simply don't have advanced enough technology to actually know what a realistic revival would look like.

It's impossible to answer this question (and here's my... er, answer, explaining why!)

To understand why, we need to understand what cryonics is. Alcor is a life extension foundation who are involved in cryonics. On their own website, they have a frequently asked questions section, with the following information:

Q: What is cryonics?

A: Cryonics (from Greek kryos meaning icy cold) is the low-temperature preservation of humans who can no longer be sustained by contemporary medicine, in the expectation they can be healed and resuscitated in the future using more advanced medical technologies. Cryopreservation of people is not reversible with current technology, and is today only practiced following legal death. The rationale for cryonics is that current medical and legal definitions of death are inaccurate and that cryopreserved patients who do not meet the more stringent information-theoretic definition of death retain sufficient biological/neurological structure to be restored to full physical and mental health using advanced future technologies. See About Cryonics.

Q: Has anyone ever been revived?

A: No adult human has ever been revived from temperatures far below freezing. Cryonics patients are cared for in the expectation that future technology, especially molecular nanotechnology, will be available to reverse damage associated with the cryonics process.

Q: Aren’t cryonics patients dead?

A: A person who can be resuscitated is not dead. Therefore if cryonics patients are preserved well enough that they might someday be resuscitated, then they aren’t dead: they are cryopreserved.

Before cryonics procedures can begin under present law, a patient must be legally dead.

I've highlighted some key pieces of information that show two very important facts:

1. No one has ever been revived from a cryonic state, as the technology isn't advanced enough yet to do this.
2. For any patient to be cryopreserved, they must be declared "legally dead".

In your question, you ask: Are there any (realistic) movies about cryopreservation?

The problem here is obvious: as there's never been a successful revival of a preserved patient, we have no idea what a realistic revival would actually look like.

Of course, there are plenty of films that have attempted to show cryonics. Iceman showed a prehistoric man who had been frozen in ice naturally and was revived. Aliens, Avatar, 2001: A Space Odyssey and Interstellar all showed it being used to traverse great distances in space (which is the most common reason it is shown). Demolition Man shows freezing being used as a form of penitentiary. From a more light hearted point of view, Futurama shows the lead character unwittingly become frozen, waking up thousands of years later.

But it's impossible to comment on how realistic any of these depictions are, because we simply don't have advanced enough technology to actually know what a realistic revival would look like.