Malcolm gets a check for his college fund but never sees it as Hal and Lois intercept. A debate soon erupts over what they should do with it (new water pipes or a boat) until someone else wants in. Meanwhile, Reese gets into (and causes) trouble when he starts hanging out at the nursing home.

The ghost of an elderly man suspects Melinda's new neighbor of killing his granddaughter.

Earth now faces a world wide Pandemic caused by the Ori. However, Orlin's return to help Sam, and Earth, brings great relief, at least until they learn the downside to Orlin. Part of the SG-1 team is tasked to get the blood of the Prior that caused the infection, in hope it may lead to a cure to the plague. Stargate Command's work is hindered by several of Earth's representatives assigning blame to the SGC for the plague; and then there's Gerak's previous conversion to a Prior, and his using his voice among the wavering Jaffa.

Kenny Mayne & dance partner Andrea Hale are voted of the show. Burt Bacharach performs.

McKay attempts to rescue Sheppard, Teyla and Ronon from the Wraith hive ship that Ford wanted to sabotage and destroy.

A Labrador that is obsessed with its owners swimming pool. A dog is frightened by some skateboarders and has performance issues at competitions. An aggressive Chihuahua is in need of rehabilitation and its owners need training.

Kara arrives in the Blackbird with detailed photos of the mysterious Cylon ship. Despite the new truce between Adama and Cain, Roslin continues to see Admiral Cain as a dangerous threat, one that needs to be dealt with firmly.

When Don and his team are called to the scene of the murder of a Los Angeles gang member, they learn they are investigating the murder of another agent who had been working undercover.

A 13-year-old is kidnapped and locked in a basement by a scary couple with their younger son. During their incarceration in the basement the two children develop a special relationship and try and get through the night.

A village is being struck by disaster and the villagers suspect that an Absol is responsible but the gang have their doubts.

Jas desperately tries a different tack and asks his son to steal medicine to help him overdose, but as Guppy attempts to meet his request, a suspicious Abs follows his trail. Harry tries to cool off his relationship with Ellen, but a trip to the opera soon leads to a change of heart. Meanwhile, Bruno makes some easy cash by offering a patient travel jabs privately.