Joseph Gordon-Levitt hosts. Music guest: Mumford & Sons

Flash Thompson stars as Spider-Man in a Midtown High musical production, and gets a taste of what Spider-Man's life is really like when the Trapster mistakes the football jock for the real web-slinger.

Mysterious fumes in the Avengers mansion cause everyone to fall ill. Luckily, the Iron Man suit is sealed from danger. Can Tony figure out what's going on before the Secretary of Defense shut down the Avengers?

There are some shocks are in store as Sinbad and the gang manage to gain entrance to the Land of the Dead.

The boot camp stage of the competition continues in Manchester. The remaining acts left in the running have one last to impress the judges and a live audience.

The estate's future is hanging in the balance and Mary is hoping to receive a bailout from grandmother Martha. Violet also attempts to help her make sure that Downton puts on a bigger show than ever before with a grand party for friends and neighbours. Mrs Hughes gets some news that worries her. O'Brien's attempts to boost Alfred's progress are met with disapproval from Thomas.

Ty struggles to deal with the fact that Amy has found the engagement ring and has to decide how and whether he is going to propose to her or not.