Thor, who never learned to be a good hero, throws an out-of-control intergalactic party on Earth.

The Watcher breaks his oath and recruits heroes from across the multiverse to battle against Ultron.

When The Avengers are infected by a zombie plague, surviving heroes search for a cure.

The Grayson household is upended when Mark returns to Earth with surprising new responsibilities. The Guardians of the Globe face dangers both at home and away.

It’s summer break for Mark and his friends, but supervillains don’t take a vacation. Mark is forced to face the consequences of Omni-Man’s double life.

Another day dawns — and a world begins. In the hinterlands, a threat spreads, spurring Mirana and Luna to investigate. The Oracle holds the key.

Darkness reveals itself — and demands sacrifices. Davion lays it all on the line, Bram rises to the occasion, and Mirana fights for the power within.

Fymryn and Luna appeal to their goddesses. The Invoker delivers tough truths to Davion and Mirana; later, a bargain is struck.

Mirana encounters a surprising opponent while Filomena embarks on a desperate attempt to get answers via Mene’s memories. A sleeping giant awakens.

Old compatriots — and enemies — reemerge. Mirana and Fymryn try to right wrongs, but a goddess has other plans, and cruel oblivion beckons.

In a hard homecoming, Mirana returns to an uncle’s maneuvers and a father’s wisdom. Filomena uncovers the awful facts. Davion rekindles a partnership.

Undeterred, Filomena hunts for hope as a changed Davion reaches out to Mirana. But now a brutal battle promises to shatter everything for the heroes.

Does creation require destruction — and painful sacrifices? Filomena and Davion square off against the Invoker. The truth remains the final weapon.

A swarm like no other attacks the hold as a squire steps up and a patriarch plays on deep fears. Desperate for help, Mirana finds a refuge — or is…

With faith and trust in short supply, chaos descends on siblings. Davion’s group shelters with a unique dragon as a princess returns to her origins.

The ties that bind: Mirana makes a deal for an army. Bram’s match reveals a new side. Davion heads to the Helio Imperium for the Eye of the Worldwyrm.

Drysi strikes a terrifying bargain. Luna appeals to Mirana, as does an unexpected foe. The tables turn for Fymryn, and Davion takes on a trying test.

A goddess full of regret, an elf discovered, and a princess on a precipice: Mirana’s beginnings come to light as the hunt for an assassin heats up.

Dream on: visions drive a haunted Dragon Knight and a gifted lotus thief. Fymryn sets out to find her sorcerer as a treacherous path humbles Mirana.

Has Davion’s song faded? Lina battles Slyrak. A poetry-spinning dragon ushers in the sunlight, and then a shocking power play shakes the Imperium.

Fear summons a goddess; Davion looks to a brooding brother for answers — or a fight. Fymryn’s rescuer faces a powerful luminary, ready to declare war.

A new moon rises. Mirana and her warriors enter Foulfell, an insidious realm where fresh hells — and regrets — await. Can Terrorblade be vanquished?

A leader rises: Davion confronts a fake. Lina confesses. Fymryn grapples with guilt, a demon and a promise. A power behind the scenes materializes.

The gang copes with a bumpy landing while the Order goes to war. Slyrak rampages, and Davion must reckon with the powerful spirits of ancient dragons.

After striking a deal with a demon, the Invoker faces Selemene. Mirana and Luna marshal the troops. Davion makes a discovery with deadly implications.

The Warners haunt a television set in a parody of Poltergeist.

Pinky & Brain try to take over the world with music in the 60s.

Pinky & Brain try to take over the world with music in the 60s.

Spooky monsters get claustrophobic.

Pinky and Brain are mousenapped by another supervillain.

Pinky and Brain are mousenapped by another supervillain.

The Warners give their thoughts about the episode.

Dot gives a dramatic math lesson about beach balls.

Dot gives a dramatic math lesson about beach balls.

The Warners hunt a donut thief.

The Warners lead a mandatory exercise break.

The Warners lead a mandatory exercise break.

The Warners cue up some targeted ads.

A gnome helps people by saying what they really mean.

The Warners cue up some targeted ads.