"I Thought You Were Stronger" is the seventeenth episode of the American adult animated superhero series Invincible, produced by Skybound Entertainment.

The season finale received generally positive reviews, with critics praising the voice acting performances and the twist ending.

[3][4] Josh Keaton provides the voice for Agent Spider, a character Mark Grayson encounters during a multiverse sequence, with the role serving as a nod to Spider-Man.

[9] "I Thought You Were Stronger," the eighth and final episode of Invincible's second season, garnered widespread critical acclaim for its intense action sequences, deep character development, and exploration of complex moral dilemmas.

[10] Critics and audiences alike praised the episode for its ability to balance high-stakes drama with emotional depth, solidifying the series' reputation as a standout in the superhero genre.

[13] Writing for The Badger Online Jemimah Kayode focused on the harrowing experiences of Mark and his family, particularly highlighting the emotional weight of the episode.

She noted the show's departure from mainstream superhero clichés, presenting genuine threats to loved ones and showcasing the protagonist's moral struggles.

[14] IGN's review commended the episode for its compelling narrative and character arcs, highlighting the intense confrontation between Mark Grayson (Invincible) and Angstrom Levy.

Overall, "I Thought You Were Stronger" serves as a powerful conclusion to Invincible's second season, blending action, emotion, and complex character arcs.

[15] Siddhant Adlakha of IGN praised I Thought You Were Stronger as a solid episode with relentless pacing, bringing Mark Grayson to a profound point of self-doubt about his (dual role) as a hero and human.

[16] Sterling K. Brown received a nomination for Outstanding Character Voice-Over Performance at the 76th Primetime Creative Arts Emmy Awards for his portrayal of Angstrom Levy in the episode "I Thought You Were Stronger".