[s1e9] World's Tiniest Heroes «NEWEST – Roundup»

To navigate the now-cavernous lab and reach the equipment needed to restore their size, the team receives critical assistance from Ant-Man (Scott Lang) . His experience with shrinking proves vital in helping the Fantastic Four survive H.E.R.B.I.E.'s attacks and return to the lab.

The episode centers on a lab accident in the Baxter Building. While Reed Richards (Mister Fantastic) is conducting experiments involving the , a malfunction causes the entire Fantastic Four—Reed, Sue, Ben, and Johnny—to shrink to a microscopic size. [S1E9] World's Tiniest Heroes

Note that while your request mentions Episode 9, production and broadcast orders vary by region. For instance, Disney+ officially lists "Puppet Master" as Episode 9, while "World's Tiniest Heroes" is placed earlier at Episode 4. To navigate the now-cavernous lab and reach the

Episode:World's Tiniest Heroes - Marvel Animated Universe Wiki [S1E9] World's Tiniest Heroes

The episode uses the "shrunken" trope to turn the Baxter Building into a hostile alien world. Simple things like floor vents or robotic cleaning tools become massive, terrifying enemies.