Dani's House - Series One - Sleepover

Sam is on a sleepover at Dani's so she can revise for an important exam in peace - unfortunately this doesn't help Dani with her preparations for her Grease auditions. And with Ben on sleepover to redress the girl/boy balance, everyone is getting restless, and nobody is getting much sleep. Meanwhile, all of the action is being observed from on high by the aliens from outer space...