My boyfriend and I want to get full custody of his 9yr old triplets they also want to live with us

9 year olds to not get to decide where they live. Their opinion will be taken into consideration though.

You should show up. You can ask for a continuance when you are in court. If you don't show up you run the risk of a default judgement.

Is it better to file an Order to Show Cause or a Motion,

You need to check the rules of the court to see how you can proceed. It might be more helpful to speak to local counsel.

How can I obtain an experdite service for my devorce pending

Please speak to the clerk. Otherwise, you might be able to file a motion to possibly expedite things.

Myself and my sons mother has joint custody. We got divorced like two months ago and she keep telling our boys she's moving.

I strongly suggest you speak to an attorney asap and file a custody petition. Right now, you have no rights on paper, and if mom tells the court...

How can I terminate my grandkids parents rights?

You don't just terminate rights because there is no contact. There needs to be an abuse or neglect finding brought by ACS or CPS.

My ex moved to NY from California 2 years ago. I live in NV. She didn't register the court order from CA in NY

Its a valid order everywhere. It applies in all states.

All about visitation

She can file a petition in court. She should speak with an attorney before to discuss the matter.

My father is a handyman and was accused and sued for allegedly stealing a laptop. What to do?

If its small claims court, he can just show up. He should speak to an attorney for guidance nontheless.

So I filed for custody,child support and supervised visitation using a last known address is this okay?

It sounds like you need to speak to an attorney asap.