Caroline and Max ask two Amish boys to build a barn for Chestnut; Andy makes a discovery about Caroline.

When a crime scene cleanup expert’s remains are found mysteriously sealed in an impenetrable pod that washed up on the beach, the team tackles one of their most challenging investigations. Meanwhile, Angela and Hodgins learn of a secret romance in which Cam is involved.

In the aftermath of a disastrous "Meet the Parents" dinner, a bickering Castle and Beckett are sent to retrieve the only witness to a murder, but they get ambushed and are forced to take the witness on the run. Stranded in the middle of the night in a bad part of town, with no phone, badge or gun, Castle and Beckett must find a way to protect him from a team of mobsters -- that is, if they don't kill each other first.

From "Playing for Keeps," actress Jessica Biel; musician Pete Townshend; musical guest Philip Phillips; Top Ten by Pail Rudd

Mordecai and Rigby have a guy's night.

Talk show host Regis Philbin; from "The League", actress Katie Aselton.

The top 10 sing live in a bid to make it to the next round.

For the first time ever, Jeremy Clarkson and James May join forces to bring you this Ultimate Top Gear Special and they are on the search for the worst car in the world... and that doesn't just mean clapped out old bangers!

Everyone has an opinion on bad cars. Now it's time to hear the ones that really count - ours. As it's the worst car in the history of the WORLD, we're out to name and shame the most rubbish car from a manufacturer which, frankly, should have known better. And we have a special, surprise fate in store for the car we pick as our biggest loser.