Now streaming · 5 credits

Watch The Day of the Dolphin online in HD

5.819731h 45mDrama Science Fiction Thriller AdventureHD · Subtitles

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“Unwittingly, he trained a dolphin to kill the president of the United States.”

About The Day of the Dolphin

A marine biologist teaches his dolphins to communicate in English but shady characters plan to kidnap the trained mammals for a more sinister purpose.

The Day of the Dolphin (1973) is a drama/science fiction film running 1h 45m, directed by Mike Nichols. It is available in HD on Cineby for 5 credits. Create an account, add credits and the unlock is yours permanently. Use the player controls for subtitles, quality and fullscreen.

Watch The Day of the Dolphin online

Once unlocked, the film starts in the player at the top of this page. If the first source is slow, the player rotates to a backup automatically. Your purchase is stored in your account, so The Day of the Dolphin opens straight into playback on any return visit. Progress is saved on this device.

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The Day of the Dolphin FAQ

How much does it cost to watch The Day of the Dolphin?

The Day of the Dolphin costs 5 credits on Cineby. Credits are $1 each, and an unlock is permanent — once bought, the film stays in your account and can be rewatched without paying again.

Do I need an account to watch The Day of the Dolphin?

Yes. Create an account, add credits, then unlock the film. Signing up is free and only takes an email and password.

Can I watch The Day of the Dolphin again after unlocking it?

Yes. The purchase is attached to your account, so returning to this page later opens the player directly. You are only charged once.

Who directed The Day of the Dolphin?

The Day of the Dolphin was directed by Mike Nichols.

Can I watch The Day of the Dolphin on my phone?

Yes. Cineby is responsive and the player works in mobile browsers. Tap fullscreen on the player for a larger picture, and use the CC control for subtitles.