In the middle of a heat wave, a cattle truck loaded with thirsty and overheated horses pulls into Heartland. Ty can hardly believe his eyes when the driver turns out to be his dad.

The remaining teams navigate Moscow, Russia in the race's tenth leg.

Homer suspects Bart's new friend, Bashir, of involvement with a terrorist plot to destroy the Springfield Mall.

Declan's investigation triggers alarms among the corrupt politicians so Tommy tries to finesse information from the investigation. Rose receives a diagnosis and shares the truth with Ellen. Michael and Colin begin to clash as they help Freddie plan a robbery.

Hank tries to help Bobby become a member of the Order of the Straight Arrow, but he disagrees with the "Arrowmaster" who is a new member of Arlen. Meanwhile, Peggy gets involved in the disagreement as she is the local Welcome Wagon representative.

Roger suggests Stan hold a telethon to raise funds after the CIA's budget cut, but when Stan takes all the credit for the idea, Roger tries to sabotage it.

The team re-opens the 2005 murder of a young and promising African-American politician who was determined to get rid of drug dealers in lower-class neighborhoods.

For Gaby and Carlos, injuries sustained in the fire lead to a fortunate discovery. But for most, the consequences are less forgiving. Lynette and Tom vow to protect son Porter at any cost. Susan must learn to let go of the man she loves. Orson's attempt at a good night's sleep puts Bree in a most precarious, though amusing, position on the day of her big cooking demonstration.

Dexter feels like he's making a deal with the devil when he feigns civility around Miguel after his duplicitous ways. Dexter finds himself in a series of chess-like moves against his former friend, all while hoping that Miguel doesn't get the upper hand on him. Meanwhile, Dexter watches helplessly as Miguel draws Rita closer through a wonderful wedding gift. Debra, now back with Anton after his close call with the Skinner, wonders if her relationship with Anton is worth putting her career in jeopardy. After all, is it smart for everyone to know that she is dating a former confidential informant?.

Coming soon...

Spinner and Jane have plans for next year - she'll start pre-law and he'll attend police college. When he doesn't get in, he can't bear to tell her, so he lies. Jane catches him and starts to wonder if her future includes him. Clare gets invited to the dance by both K.C. and Connor. When it looks like their struggle for her attention will jeopardize Robot Wars, she decides to go with neither. Alli gets an anonymous rose but after asking Anya who it was, she reveals that is was Johnny who sent her the rose. When Alli asks Johnny to the Valentine's dance, he rejects her saying he can't go with her because she is a "niner" and his friends will tease him. Meanwhile, Kelly and Emma reveal their feelings for each other and go on a date.

Nora recruits the family to deconstract her new charity money pit; Kitty & Robert take a huge & overwhelming step in adoptian, Sarah takes a big risk with her new business partners by eating crows; Holly pushes Tommy to his limits when she does something in the whinery without his consult

When the team is ordered to raid an anthrax lab, they find themselves fighting against their ally; a political official who thinks the high-tech gadgetry is better than field logic. On the home front, Kim finds herself in a life-threatening situation when her boss tells her to help him, cover up a murder.

Hank reminisces his past with Karen. Charlie pleads with Daisy to move out.

While roaming Nebraska, Reed and Josh' teams are struggling to find that perfect storm. Jene, Reed's girlfriend, becomes lost in a deadly hailstorm while the DOW team finds themselves driving straight into an oncoming tornado.

Mrs Wormwood returns to see Sarah Jane- but to ask help. The Bane have turned against Mrs Wormwood and are preparing to unleash a dark power against the universe. However, to thwart the Bane's plan, Sarah Jane must call upon an old friend.

Coming Soon...

Operation Sugarhorse is compromised and Harry is arrested on suspicion of being the Russian mole within MI5. Lucas travels to Russia to obtain intelligence that may secure the UK against the threat of nuclear attack. Ben investigates irregularities in the circumstances leading to the death of an asset.