Baljeet announces that he is no longer Buford's nerd, and Buford is heartbroken.
At nearly 14,000 years old, the ruins of Puma Punku are the oldest and most baffling on the face of the Earth. No one knows who designed and built this complex of sophisticated inter-locking blocks, and then vanished. Researchers investigate the ruins on-location in Peru and present new computer analyses. Forensic evidence on the ground, together with local myths and legends, suggest this site may have been designed and even once inhabited by a species of extraterrestrials.
Winter sets in. The now short-staffed crews try to go out once more before the ice blocks them in. Each on their own, Emily salvages and Scott M finds salvation. The crews take their earnings and face off at an auction for next year's dredging grounds.
A young man with a blue tattoo lies cradled in Phryne's arms. Sadly, it's not another scene of glorious seduction. This time it's murder. Outraged by this brutal slaughter, Phryne promises to find out who is responsible. But Phryne doesn't yet know how deeply into the mire she'll have to go – bank robbery, anarchists and the kidnap of her beloved maid Dot. Her investigations lead her into the arms of the delicious yet dangerous anarchist, Peter the Painter.
A crew rebellion forces Todd Hoffman to dig test holes on the claim. The tension mounts as they wait to see if they're sitting on a gold-rich paystreak or about to go bust. Then, Fred is forced to abandon mining as floods in North Dakota destroy his home.
Clare finds out Jenna has stolen another ex-boyfriend, Jake, whom he has invited to his birthday supper. When diving into vampire fiction is not enough of an escape, and her father does not have room, Clare moves in with a group of friends she had previously met. Connor makes it on to the football team, but has trouble fitting in, especially with Mo. Fiona continues to hang out with Imogen, but when she realizes she has feelings for her, Fiona decides Imogen should date Eli.
Kate returns to work and mediates a case between a corporation and former employee whose granddaughter claims he was exposed to harmful chemicals.
The ISIS staff is called by ISA to stop the international space station from being taken over by space pirates. During training, Cyril proves to be a more than adequate pilot, a skill which will prove valuable when they return. While on the mission, Malory attempts to make drinks in low gravity, Cyril one again shows he has no concept of what "suppressing fire" is and Lana has an unusually weak stomach.
A janitor is stabbed to death in Miami; a Birmingham pedestrian is killed after fixing a car for his friend.
Sheldon warns Sam that he may be in over his head when he insists on releasing Corinne from the hospital and caring for her at home; a badly beaten Scott arrives at the ER and is placed under the care of Pete; Amelia is encouraged to make a decision about her unborn child; and Jake's daughter grills him on his love life when he visits her at college. Meanwhile, Erica's health takes a turn for the worse.
Jamie's and Laura's parents meet for lunch to discuss the future of their families. Laura and Jamie are rightly apprehensive about a family summit, but even they couldn't have foreseen how badly it would go. Meanwhile, whilst making up the numbers on Beth's double date, Mike faces a sexual dilemma when he's offered a threesome with stunning Carrie-Ann and her handsome gay friend, Aaron.
Tina dates a nice guy for a change; Jason gives Ness a questionable birthday gift; Eric and Stacey are a little too honest with each other.
This week Sarah Millican looks at costume drama, with special reference to zombies, and meets distinguished actor Simon Callow, plus Downton Abbey star Phyllis Logan.
In Houma, R.J. and Jay Paul are headed to an area known as the Hive. Every beehive has a queen bee...and the Hive has a king, a monster alpha male. Before the day is done, the boys are out to fill their boat, land the King and take another step toward their own crown. Over in Pierre Part, Troy Landry's sons are out to make their own name.
Tig goes shopping with her mum and a clown frightens her. Tig then goes and has her face painted like a clown too.
Tig visits a restaurant and finds out she doesn't live olives. Woolly encourages Tig to try more food.