With his father out of action, Mark struggles to defend the city against an interdimensional invasion, joining forces with a team of teenage superheroes.

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

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.

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.

After two challenging missions, the Guardians of the Globe struggle to work as a team. Meanwhile, Mark tries to balance his hero duties, personal relationships, and his future as a college student.

As Mark attempts to salvage his personal life, a new villain arrives, presenting Invincible with his greatest challenge yet. Donald grapples with his past.

An old enemy threatens everything Mark holds dear.