Upcoming episodes, programme details and where to watch over the next seven days. All times are UK time.
Best Friends: Dorothy thinks she's pregnant, but Dr Mike's exam reveals problems. The Sweetheart Dance causes trouble between Sully and Dr Mike, while Colleen and Becky squabble over a boy. (S2 Ep11)
Giving Thanks: When Colorado Springs is hit by a severe drought, Jake and Loren put the townspeople in danger by stealing water from the Cheyenne. (S2 Ep10)
Crossing the Line: When the silver miners go on strike, Matthew is eager to take a scab job mining for the quick cash, with disastrous results. (S2 Ep12)
Buffalo Soldiers: Sully and Michaela scout for information that will prevent further bloodshed when the Buffalo Soldiers arrive to confront renegade Indians. (S2 Ep13)
Mike's Dream: A Christmas Tale: Dr Mike has an 'A Christmas Carol' style dream, where she wonders what her life would have been like if she had not become a doctor. (S2 Ep14)
The Circus: When a former circus performer and her daughter bring their circus to Colorado Springs, most of the town is recruited as performers. (S2 Ep15)
Another Woman: A woman who has been living with Native Americans is found and brought to Colorado Springs. Tensions rise between Sully and Mike when the girl becomes attached to Sully. (S2 Ep16)
Luck of the Draw: When a slick card shark teaches Matthew to gamble, he believes he's found an easy way to make money. It's up to Dr Mike and Sully to try to convince him otherwise. (S2 Ep17)
Life and Death: Dr Mike clashes with Dorothy when she acts to protect her family from her friend's desperate son, who returns from war addicted to morphine. (S2 Ep18)
The Abduction, Part 1: Blaming Mike for leading Custer's troops to them, renegade Native American Dog Soldiers abduct her; Sully vows to find her before she is killed. (S2 Ep19)
The Abduction, Part 2: The adventures of Michaela Quinn, a doctor who lives in the post-Civil War frontier town of Colorado Springs. (S2 Ep20)
The First Circle: A Denver banker invites the Ku Klux Klan to look for new members in Colorado Springs. The Klan are also seeking to force Robert E out of his home. (S2 Ep21)