After rescuing Yik Yak – who has gotten himself stuck in a plant – by using some Yik Yak SlikSlak, (a lubricant from Yik Yak’s planet), Jim learns the Yik Yak handshake – high five, low five,palm tickle. Yik Yak has the opportunity to help Eco and Ripple with his Slik Slak – and teachthem his handshake, too. When Jim, Eco and Ripple come down with Lunar Legs – an ailmentwhich causes their legs to move crazily for a while - no one can figure out how they got it.