A couple worry that their Lab, who becomes aggressive around food, could hurt their 18-month-old son. The host also helps socialize a homeless woman's protective pit bull so they can move into a women's shelter.

Seth MacFarlane hosts. Music guest: Frank Ocean

Loki exacts revenge on Spider-Man by turning him into a pig, just in time for the Asgardian Boar Hunt across New York City. Now, Thor, who knows all too well how it feels to be transformed into a helpless animal, must help Spider-Ham survive.

The Vision awakens after a month of repairs only to find that Iron Man and the Avengers have taken over the Earth! With the whole planet against him, the Vision must get to the bottom of Tony Stark's 'utopia'.

Sinbad and his friends are up against a Fiend. Taryn wears some interesting disguises.

The seventh set of hopefuls audition in front of the judges hoping to gain a place in the next round of the competition.

It has been four years since George Gently came north, but his old enemies haven't forgotten him. A vicious career criminal who Gently sent down years ago has been released, on the grounds that evidence was fabricated to frame him by Gently himself. And he is hell-bent on revenge. Suspended from duty, Gently finds himself powerless, unprotected and persecuted. If he is to survive, Gently must confront his deepest fears and fight to the death.

Cora's mother shows up at Downton for Matthew and Mary's wedding. New footman Alfred attempts to meet Carson's high standards, under the watch of his aunt O'Brien. Robert's surprising news brings financial worries to the fore.

Amy is bursting to ask Ty about the engagement ring, and why he hasn't proposed yet, but a couple of 'runaways' throw everything at Heartland into turmoil.