Can I do anything about getting laid off or fired just because I'm pregnant?

You should consult with an employment attorney very soon. From the facts you've provided, you may have been terminated for illegal reasons, i.e.,...

Wrongfully accused of theft a reason to discharge. This was wrong.

It does not seem like you have an employment claim to me.

Can I sue my employer for harassment?

While your situation does not seem pleasant, I do not see facts that give rise to an employment claim.

Wife is religiously divorced from me but refuses to finalize a civil divorce. She now religiously remarried. Do I have recourse?

Have you tried filing a motion for bifurcating status judgment? This may get you divorced and leave the property characterization and division...

Enrolled in health insurance through employer, within a month was terminated, can i recover the money

Unless you were retaliated against for engaging in a protected activity, or discriminated against for being in a protected class, merely receiving...

The case should stay where it is filed.

How do I get court to recognize stipulation / agreement from a family law MSC modifying alimony?

You will likely need an attorney to help through the procedural hurdles. The local court may offer pro per assistance.

No.

Why don't judges like Motions for summary judgements in CA

I'm not sure judges like or dislike MSJs?

Personal Injury: If I sue a party and I lose, am I liable for their legal expenses?

You may be liable for costs, but not usually attorneys' fees. You may also be required to pay expert fees under certain circumstances.