It's The Reduced Shakespeare Company and they tour in their native Britain right now.

Oh... I see you already knew that from the Mythology tribe.
Not only are you fast, you're everywhere...

hilarious -- I also caught a 4-Minute Hamlet at a renaissance fair years ago --> and then the actors did a REVERSE 90-Second Hamlet that had us all crying with laughter!

Ghost to Hamlet (1.5):

Let not the royal bed of Denmark be
A couch for luxury and damned incest. [what a sad-sack -- my own interjection]
But howsomever thou pursuest this act,
Taint not thy mind nor let thy soul contrive
Against thy mother aught. Leave her to heaven,
And to those thorns that in her bosom lodge
To prick and sting her.

Proof that:
a) Hamlet is under strict instructions by this ghost to not touch his mother
b) The ghost doesn't want Hamlet to get any fun out of life.

Regarding what Gertrude knows, I think the crux lies in these lines (and the way they are delivered) from Act II scene ii:

King: He tells me, my dear Gertrude, he hath found
The head and source of all your son's distemper.
Queen: I doubt it is no other but the main,
His father's death and our o'er-hasty marriage.

See? It's no wonder Hamlet loves his mother so. She's so perceptive, yet so ambiguous! What skill, what tact! She's a real seventeenth century politician, that woman, I tell ya.

By the way, you asked me a question a while back about where my job is. I meant to answer, Josh, that I'm here in North Dakota... I've been buried in work -- and snow -- this October. Charming stuff, snow in October. I remember when we used to joke about Christmas in April, but all that was a joke.