Gus and Pizza Steve have plans to go out for the night, but UG can't be left alone in the RV, so they need a babysitter. But when none are available, they turn to UG to babysit himself.
Joanna and Adriana try to reconcile; Elsa comes home from the hospital; the sex therapist assigns Joanna and Romain homework; Alexia and Peter try to work through their issues.
Ceaser and Dutchess are missing in action and the lights are out (literally) at Black Ink! O'S**t has a "dope-ass" tattoo to do for a loyal client and is psyched to make some much-needed "lawyer money." When the electric company arrives and pulls the power because Cease hasn't paid the bill, the crew can't work and they are forced to close the shop. O'S**t gets some tough love from his bail bondsmen on the impending consequences of him not taking his legal troubles seriously.
The feuds within the pack escalate when student elections are held, putting them all at risk.
Richard looks at DIY, including robot lawnmowers, the world's safest saw, an automatic wallpapering machine and the latest 3D printers capable of making plates and cutlery in minutes. Richard is not a fan of doing it yourself and believes that gadgets should be able to do all the work for you. So he tests the latest safety tools, building machinery and lawnmowers, all of which promise to take the strain and pain out of decorating your home. He also sets himself a challenge: to makeover a room in his house using robots and gadgets and without him having to lift a finger.
An eccentric seller in North Bay attaches his collection to the outside of his home; Brooke and Jerry hold their first sale at the Warehouse
When Lily discovers Ted’s list of things he wants to do in New York before he moves for Chicago, she becomes frustrated that she is the only person who knows about his plans. Meanwhile, Robin and Barney realize they have very little time together before their relatives arrive for their wedding.
Continuing from the season premiere episode, Beckett races against time to find a stolen toxin capable of killing tens of thousands of people. To make matters worse, Castle was exposed, leaving him with less than 24 hours to live.
Red and Liz go under cover to stop an assassin known as The Freelancer from killing his next target; Ressler and a recently re-hired CIA agent try to protect Red from a distance; Liz wonders what she should do about Tom and the mysterious box.
When In Hye undergoes septic shock, her near-death experience gives her a new perspective on things. Another person from Shi On's past makes an appearance.
Viva is worried that Rocky is getting too serious about their relationship, while Saz is worried she's not normal. A new school counsellor has a big impact on Greenshoots Academy - though not in the way he intended.
The team tackles some boozers in Barrow whose spirits are high, Duggie and Mark look into a car that has come a cropper and the cocky occupants of a Mondeo refuse to face the bald facts about their tyres. Lucky the sniffer dog is brought in to weed out some evidence and a young woman who has skidded off the road on black ice experiences delayed shock.
After a masked gunman kidnaps a young woman from a locked psych ward, it becomes clear that the case is more complicated than it looks.
After a time-traveling tornado sends an 18th-century Skips to the present, Mordecai and Rigby have to help present Skips return his teenage self to his time or else he will die.
Katie and Cali are stuck on Jake's Mountain. Rubble wants Ryder to pick him but he picks Marshall and Rocky.
All aboard! Finn and Jake discover a train where every car is a dungeon filled with a new foe for Finn to fight. Jake quickly gets bored and wants to leave, but Finn is having the best time and doesn't want to leave... ever!
Reverence for the number three dates back thousands of years, and can still be found today in art, architecture, science, literature, and religion. What is it about this number that continues to fascinate mankind? Could this recurring motif contain a profound message? The ancient Egyptians believed the design of the three pyramids of Giza came from the Gods. Diverse cultures across the world worshipped divine beings that ruled as all-knowing triads. Isaac Newton searched for the secrets of the universe in an ancient tablet that spoke of the power of the number three. Even the language of our DNA is written in a pattern of threes. Could the combination of all the trios and trinities embedded throughout the mythical and religious world suggest that the power of three might somehow connect humanity with divine or, as some would believe, extraterrestrial forces?
Christy and Bonnie set aside their differences to deal with a family crisis together.