After her siblings accidentally insult her dreams of being a pop star, Cheese is bonked on the head and starts to believe she's a huge celebrity! Mouse says they all must play along, because if they ruin the illusion then there's a chance Cheese could go bonkers. Cheese turns into a diva, making outrageous demands from her siblings, and soon enough they're sick of it. But when they learn she was duping them all along, they set out to teach her a lesson...

Suddenly feeling too old to be collecting toys, Boy gives up his bobbleheads and decides to do the things that grown-ups do instead. The others desperately try to turn Boy back into his slightly more interesting self by taking him to meet the owner of the world's biggest collection of bobble heads, where Boy must choose between what he thinks is cool and what he loves.