John Christian Graas

The gang thinks its Palm Springs weekend is ruined when David's grandparents stop by.

A natural force damages the Enterprise, trapping Picard and forcing Troi to act as captain.

Jerry and Elaine question Kramer's claim about a non-fat yogurt.

As Jerry settles in to watch a boxing match on TV, George and Elaine return with his borrowed car and concoct a wild story to explain why it's developed a clanking noise. In addition, the reckless George heatedly debates geometric angles with a fellow parallel parker who challenges his right to the same precious space.

During an apartment fire, Shep and Raul, his partner, enter the burning building to save some children. Raul gets severely burned and dies at the ER.