All 25 episodes from the fourth season of the US forensic investigation drama series starring Emily Deschanel and David Boreanaz. Episodes are: 'Yanks in the UK', 'The Man in the Outhouse', 'The Finger in the Nest', 'The Perfect Pieces in the Purple Pond', 'The Crank in the Shaft', 'The He in the She', 'The Skull in the Sculpture', 'The Con Man in the Meth Lab', 'The Passenger in the Oven', 'The Bone That Blew', 'Double Trouble in the Panhandle', 'Fire in the Ice', 'The Hero in the Hold', 'The Princess and the Pear', 'The Bones That Foam', 'The Salt in the Wounds', 'The Doctor in the Den', 'The Science in the Physicist', 'The Cinderella in the Cardboard', 'Mayhem On a Cross', 'The Double Death of the Dearly Departed', 'The Girl in the Mask', 'The Beaver in the Otter', 'The Critic in the Cabernet' and 'The End in the Beginning'.