4x1 - Homecoming

September 26, 2010

Amy tries to pretend that nothing has changed when Ty returns to Heartland with a surprise guest.

4x2 - What Dreams May Become

October 3, 2010

Amy scratches the surface to discover Nick Harwell's problems with his polo ponies, Lou's life in Dubai and Tim's relationship with his jockey are not what they appear to be.

4x3 - Road Curves

October 10, 2010

When an unspoken attraction re-surfaces, Amy discovers that honesty might be the best policy, but it certainly isn't the easiest one.

4x4 - Graduation

October 17, 2010

A looming high school graduation and Spartan's near fatal bout with colic forces Amy to face where her future really lies.

4x5 - Where the Truth Lies

October 24, 2010

When Amy and Ty convince Sarah, the town recluse, to let them treat her sick horse at Heartland, the family helps her face the ghosts of her past..

4x6 - Win, Place or Show

November 7, 2010

Tim enlists Amy to ride Lightning Dexter in a big time stakes race when he finds out his girlfriend, Janice, has teamed up with the competition

4x7 - Jackpot!

November 14, 2010

Amy and Kit have to put their differences aside to on Caleb in a team-roping jackpot.

4x8 - One Day

November 21, 2010

When Amy is hired to do a horse clinic with a group of inmates, Ty is surprised to discover that one of them is a friend from his bad old days at the group home.

4x9 - Local Hero

December 5, 2010

Lou comes back from Dubai to spend time with the family. Ty and Amy discover where her father's rustled cattle are being pastured and the whole family rides out to bring them back.

4x10 - Mood Swings

January 2, 2011

When an irate Grant, Ty's travel buddy shows up at Heartland to punch out Ty for "kissing Blair" the disclosure puts Ty and Amy's relationship in jeopardy. Meanwhile finding out that their marriage was not legal puts Caleb and Ashley into a turmoil. All the relationship drama makes Lou question her marriage with Peter.

4x11 - Family Business

January 9, 2011

Amy fights to keep Dexter in the family when she learns Tim is putting the horse up for sale in a claiming race.

4x12 - Lost Song

January 16, 2011

Jack is forced to revisit a rough patch in his marriage when he finds an unfinished song by Lyndy in her old guitar case.

4x13 - The Road Home

January 23, 2011

Jack is forced to revisit a rough patch in his marriage when he finds an unfinished song by Lyndy in her old guitar case.

4x14 - Leap of Faith

February 13, 2011

Amy must deal with Stewart Forrest's unrealistic expectations when she works with his daughter and an elite jumper that may be too much horse for the girl to handle.

4x15 - The River

February 27, 2011

Lou helps Amy fight the lawsuit to save her sister's reputation and family business.

4x16 - Never Surrender

March 6, 2011

When a paralyzed military vet and ex-rodeo cowboy hires Amy to help sell his roping horse she sees an opportunity to re-train both horse and rider

4x18 - Passages

March 27, 2011

Amy and Ty work through their trust issues as they train a pair of Clydesdale's, but it is an emergency at Heartland that reveals their true strength as a team when it matters most.

4x19 - Episode 19

April 3, 2011