YOU SAID:
friends is a good show
INTO JAPANESE
友人は良いショーです
BACK INTO ENGLISH
Friends are a good show
INTO JAPANESE
友人が良いショーです。
BACK INTO ENGLISH
It is a good friend show.
INTO JAPANESE
それは良い友人ショーです。
BACK INTO ENGLISH
It is a good friend show.
That didn't even make that much sense in English.