The story of Albert Einstein's general theory of relativity, his relationship with Astrophysicist Arthur Eddington, and the introduction of this theory to the world against the backdrop of the Great War.

A server crash forces the staff to go "old school", with disastrous results. DiDi steps on Dr Stickley's toes over Arlene's mother-in-law. Dr James has issues getting through to a deaf patient. Dawn buys a cello and learns her life-changing news may not be all it seems.

The staff finds itself in an awkward situation when one of Jenna's 'adult' study photos makes its way into the Christmas card competition. DiDi is tempted by Parker Owens, a visiting doctor. A patient with terminal cancer proposes a 'final solution' to a startled Jenna.

Tony tries to break off his ties with Richie and Irina, and even goes so far as to asking Dr Melfi to find a therapist for Irina; so Richie decides it's time to make his move on Tony. Meanwhile, Janice has also had more than enough of Richie's ways.

Tony is thrilled Janice and Richie are out of his hair, so he plots to get rid of Livia as well. Meanwhile, after a plate of bad food, Tony has erotic hallucinations about Dr Melfi and also one of Pussy as a fish, which convinces him that Pussy has gone to the Feds.

The Detail has a setback and needs a new co-operator, whilst Russell and Bunk visit Philly, looking for evidence. Elsewhere, Brother Mouzone talks with Stringer Bell regarding their agreement, leaving Bell to deal with Avon Barksdale.

All hell breaks loose as Chayton and an army of Redbones invade Banshee, looking to avenge Tommy's death at the hands of Raven, the Kinaho tribesman-turned-deputy. As the assault reaches a fever pitch, Bunker tries to prove to Medding he's not the man he used to be.

Reduced to the status of "observer" as the FBI plans a raid on the Redbone wilderness compound, Lucas decides to take matters into his own hands. Still stung by Proctor's rebuke, Rebecca is further chagrined to learn of her uncle's burgeoning romance with Emily.

Spawn is tormented by nightmares of a Medieval Black Knight hunting him.

A server crash forces the staff to go "old school", with disastrous results. DiDi steps on Dr Stickley's toes over Arlene's mother-in-law. Dr James has issues getting through to a deaf patient. Dawn buys a cello and learns her life-changing news may not be all it seems.

The staff finds itself in an awkward situation when one of Jenna's 'adult' study photos makes its way into the Christmas card competition. DiDi is tempted by Parker Owens, a visiting doctor. A patient with terminal cancer proposes a 'final solution' to a startled Jenna.

Tony tries to break off his ties with Richie and Irina, and even goes so far as to asking Dr Melfi to find a therapist for Irina; so Richie decides it's time to make his move on Tony. Meanwhile, Janice has also had more than enough of Richie's ways.

Tony is thrilled Janice and Richie are out of his hair, so he plots to get rid of Livia as well. Meanwhile, after a plate of bad food, Tony has erotic hallucinations about Dr Melfi and also one of Pussy as a fish, which convinces him that Pussy has gone to the Feds.

The Detail has a setback and needs a new co-operator, whilst Russell and Bunk visit Philly, looking for evidence. Elsewhere, Brother Mouzone talks with Stringer Bell regarding their agreement, leaving Bell to deal with Avon Barksdale.

A wave of urban reform brings down the notorious Franklin Terrace public housing towers, forcing the Barksdale drug crew to find a new home on the streets of West Baltimore.

All hell breaks loose as Chayton and an army of Redbones invade Banshee, looking to avenge Tommy's death at the hands of Raven, the Kinaho tribesman-turned-deputy. As the assault reaches a fever pitch, Bunker tries to prove to Medding he's not the man he used to be.

Reduced to the status of "observer" as the FBI plans a raid on the Redbone wilderness compound, Lucas decides to take matters into his own hands. Still stung by Proctor's rebuke, Rebecca is further chagrined to learn of her uncle's burgeoning romance with Emily.

A presidential campaign shifts into high gear when Arizona senator John McCain picks Alaska governor Sarah Palinto be his running mate in the 2008 general election against Barack Obama.

A server crash forces the staff to go "old school", with disastrous results. DiDi steps on Dr Stickley's toes over Arlene's mother-in-law. Dr James has issues getting through to a deaf patient. Dawn buys a cello and learns her life-changing news may not be all it seems.

The staff finds itself in an awkward situation when one of Jenna's 'adult' study photos makes its way into the Christmas card competition. DiDi is tempted by Parker Owens, a visiting doctor. A patient with terminal cancer proposes a 'final solution' to a startled Jenna.

Tony tries to break off his ties with Richie and Irina, and even goes so far as to asking Dr Melfi to find a therapist for Irina; so Richie decides it's time to make his move on Tony. Meanwhile, Janice has also had more than enough of Richie's ways.

Tony is thrilled Janice and Richie are out of his hair, so he plots to get rid of Livia as well. Meanwhile, after a plate of bad food, Tony has erotic hallucinations about Dr Melfi and also one of Pussy as a fish, which convinces him that Pussy has gone to the Feds.

The Detail has a setback and needs a new co-operator, whilst Russell and Bunk visit Philly, looking for evidence. Elsewhere, Brother Mouzone talks with Stringer Bell regarding their agreement, leaving Bell to deal with Avon Barksdale.

A wave of urban reform brings down the notorious Franklin Terrace public housing towers, forcing the Barksdale drug crew to find a new home on the streets of West Baltimore.