The ever-perplexing Pepsi

Whenever you introduce a new element into your cats' world, even one as benign as a two-liter Pepsi, you have to expect that your cats will examine it in great detail:

Spring 2004: Rosie and Sammy investigate a two-liter bottle of Pepsi.  To protect her brother from the danger it might contain, Rosie shielded Sammy's eyes with her tail.