

The Diffy's discover Curtis the Caveman stowed away in the time machine and now it's up to Lloyd to decide if they should keep him. Pim goes to Debbie's sleepover and tries to find a way out.
Meet the Diffy family, a futuristic family from the year 2121. When the eccentric dad, Lloyd, rents a time machine for their family vacation, everyone is excited. But then something goes wrong. Their time machine malfunctions and they are thrown out of the space/time continuum in the year 2004.