With the world still reeling, a dangerous stranger arrives - testing Mark to his limits and beyond.

Mark must prove he's become the hero he's always wanted to be by stopping an unstoppable force.

Earth's greatest heroes join forces to fight an unimaginable threat.

Feeling lost and confused, Mark looks for advice from Eve. At the same time, everyone's looking for him.

Feeling confident in his new abilities, Mark risks a team-up with a local villain to take down a crime lord, while simultaneously juggling school and a new relationship.

An old enemy threatens everything Mark holds dear.

Mark answers the call to save an alien species, but the mission has unexpected personal consequences.

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.

Mark and Eve start a business and encounter a familiar face. Debbie worries that Oliver's growing up too quickly.

Mark joins William and Amber on a campus visit to Upstate University, hoping to discover a new future for himself. Debbie makes her own disturbing discovery.

It's two firsts for Mark: a first date and a first trip to another planet. At the same time, Nolan and Debbie revisit their own first vacation together.

Mark Grayson is back and stronger than ever – with new enemies out for blood and old villains out for revenge.

Mark starts his college career, Debbie struggles with personal trauma, and Allen the Alien returns home to find a new threat facing the Coalition of Planets.

In the aftermath of his father's betrayal, Mark struggles with his responsibilities as Invincible and encounters an unexpected enemy.