When Uncle Martin is showing Tim the nurplex in the dressing room, his hand changes position to prevent his hand from blocking the viewpoint of the camera. it switches from an over-hand grip to an under-hand grip.
When Martin is drinking the liquid from the lava lamp, it is clear that he is actually pouring it over his shoulder and not in his mouth.
The reporters are not wearing any earpieces but they can hear Tim in the news-van.
[11:16]Uncle Martin says people of earth (earlings AKA terrans) are fortunate to have so much water as he's looking at the ocean water. He knows so much about earth, he should have known that ocean water is useless. Santa Barbara did build a water desalination plant in the early 1990's but was never turned on.