Enterprises toilet jokes

What does the starship Enterprise & toilet paper have in common?

Answer: They both circle Ur-Anus looking for Kling-Ons!

What did Spock encounter in the Enterprise toilet?

The Captain's Log.

Spock went to the Enterprise's toilet and he knocked on it. "Kirk, are you in there?" Spock asked.

Kirk answered, "Hold on, I am making a captain's log."