Stargate Atlantis Episode Details!

Episode 4.15 - Outcast

Sheppard learns that his father has died and returns to Earth for the funeral, accompanied by Ronon. While there, they discover that a covert project has accidentally unleashed a human-form Replicator in the city. Guest Star: Emma Lahana.

Airs: 2nd February 2008

Episode 4.16 - Trio

A subterranean drama unfolds when Col. Carter and Doctors McKay and Keller become trapped in a defunct mining facility during an off-world mission.

Airs: 9th February 2008

Episode 4.17 - Midway

Teal'c (Christopher Judge) goes to Atlantis to mentor Ronon ahead of an IOA review to determine his suitability for the Stargate program. Meanwhile, the Wraith kick-start a plot against the Midway station.

Airs: 16th February 2008

Episode 4.18 - The Kindred - Part 1

A mystery illness wreaks havoc on humans across the Pegasus galaxy; Teyla's vision about the father of her child prompts her to join Sheppard on a mission that yields an unexpected discovery. Guest Star: Mitch Pileggi.

Airs: 23rd February 2008

Episode 4.19 - The Kindred - Part 2 .

Beckett's return surprises the Atlantis crew. Elsewhere, Teyla, now a prisoner, finds missing Athosians held captive at one of Michael's secret facilities. Guest Star:Paul McGillion.

Airs: 1st March 2008

Source: SpoilerTV