YOU SAID:

Nighty night, Knight.

INTO JAPANESE

ナイトナイト、ナイト。

BACK INTO ENGLISH

Night night, night.

INTO JAPANESE

夜、夜。

BACK INTO ENGLISH

Night after night.

INTO JAPANESE

夜な夜な。

BACK INTO ENGLISH

It's night night.

INTO JAPANESE

夜です。

BACK INTO ENGLISH

At night.

INTO JAPANESE

夜です...

BACK INTO ENGLISH

At night.