After a failed hit on Larry's life, Fitz's only option is to get rid of him by proving Larry's a crazy person. After all, he claims to be his conscience. Meanwhile, Larry tries to purge Fitz of drugs and alcohol. But by the time Larry rallies the Fitzpatrick family for an intervention, Fitz's own sanity begins to dwindle in the throes of the DTs, and he decides to take whacking matters into his own hands...
Richard "Fitz" Fitzpatrick, morally bankrupt top salesman of pre-owned automobiles for 9 years running, hits rock bottom when he crashes a GT on a test drive, puts a woman in a coma, and wakes up to find he's grown a conscience - a living/breathing hanger-on named Larry, who joins Fitzpatrick Motors as a do-gooder salesman, and threatens to undercut Fitz' debaucherous way of life...
The staff must choose between saving an old black man and a young white kid. Insult comic Jeffrey Ross brings his child into the O.R., but the staff is more concerned with enjoying his humor than treating his child. Two Star Trek nerds dressed in uniforms (one as a Klingon) visit the hospital.
Richard Hammond and Amanda Byram present the first of two celebrity editions of the world's silliest extreme obstacle course-based game show. This special sets celebrities inc. Jeff Brazier, Joe Absolom and Kate Lawler the task of conquering the Sucker Punch, the Big Red Balls and Crash Mountain. For the winner, invitations to appear on a lot of daytime talkshows and a cheque for 10,000 pounds to the charity of their choice. For the losers, a face full of Argentine mud. It's a win-win situation.
When a beautiful she-donkey named Prunella takes an interest in Pip, Bessy suspects ulterior motives and follows them on their dates, causing the other animals to accuse her of being jealous.
With the help of the Great Dragon, Merlin manages to return to Camelot only to find out that is it on the verge of invasion: Morgause and Cenred have teamed up and plot against a weakened Uther. Cenred's initial reluctance is won over by the fact that they count on an ally within Camelot walls who will ensure the castle is taken. Uther is unable to rule which forces Arthur to step up front and defend the citadel agains Cenred's powerful army. With the help of Morgause and to make things worse, Morgana plays a deadly card and summons a skeleton army to wreak havoc within the castle walls. Camelot's fate rests once again on Arthur's shoulders and Merlin's magic as they fight in their own way to hold off both an army of the living and an army of the dead. Will they manage to succeed?
When animals begin disappearing, the penguins suspect Savio, the new boa constrictor.
The penguins accidentally launch Leonard the koala out of the zoo and into midtown Manhattan.
Led by Faceless Hunter, the Starro Invasion comes on full swing. Only Batman and a handful of unlikely heroes remain uninfected to thwart the alien parasites and their mind-controlled hosts before all of Earth is sucked dry.
In the wake of a museum gala shooting spree, the SRU's actions and judgments are called into question; however, the investigator seems to be focusing on Sgt. Parker in particular.
Five headstrong clones struggle to complete their training on Kamino. These cadets -- Hevy, Cutup, Droidbait, Fives and Echo -- seem to be a "bad batch" and are unable to work as a team. As Shaak Ti and drill instructors Bric and El-Les debate the cadets' fate, the clones learn to work together and accept their destiny as soldiers.
The Republic learns of an impending Separatist attack on Kamino, and Anakin and Obi-Wan hurry to the planet. After the Republic repulses the Separatists' diversionary assault, the real attack begins. Asajj Ventress, General Grievous and an army of droids rise out of the oceans, bent on destroying Kamino's clone production facilities. Rex, Cody, Fives, and Echo lead the clones in a desperate defense of their home planet.
Nathan and Audrey investigate a series of murders, but the prime suspect insists that she's trying to stop the real killer. Meanwhile, in the aftermath of Duke's revelation, Audrey continues to investigate the Colorado Kid mystery involving her mother.
The GA Crew travels to Gettysburg, PA, site of the bloodiest battle of the Civil War. While there, they attempt to make contact with dead soldiers, the sadistic woman who ran the town's orphanage and the ghosts of children she abused.
A Providence team retrieving some valuable data is shot down over Kiev, which has been sealed off from the rest of the world. Rex, Six, and Bobo must enter the dome to retrieve the data, and encounter the inhabitants.
Brian finds the library card of cold case victim Dr Richard Symes, leading him to reinvestigate the death of the professor, who died after falling from the roof of his college three years previously. Sandra and Gerry interview Symes' widow, who believes principal Jeremy Ventham drove her husband to suicide following a conflict over teaching methods.
Three aliens (Lance, Ilana, and Octus) crash-land on Earth while fleeing the evil general that has conquered their home planet, Galaluna. Shortly after, the general sends one of his minions after them, and they must fight the creature.
Percy and Michael take their latest assignment, a Slavic leader wanted for war crimes, into protective custody. Nikita learns of their hideout and attempts to thwart their plan, but a mysterious group of mercenaries in search of nuclear material beats her to the task. Alex is activated earlier than expected for a special assignment that throws her into the crossfire of bullets. A flashback reveals a pivotal moment in Nikita's life.
Lo runs into Curtis, a guy she dated last summer but dumped him because he wasn't cute enough. Later it is revealed that he is going out with Fin. Lo introduces Reef as her boyfriend to make Curtis jealous (even though Reef and she aren't dating; Lo later bribes Reef into it by saying she'll get him his own mini-fridge), but Curtis proposes that he and Fin, along with Lo and Reef go on a double date.