Episode Title:
Core Crisis.
Episode Description:
Bulk, Stringer and Surge are caught in a fight against the vicious Corroder on a prison planet still under construction. While Corroder traps Bulk under a load of girders meant for Surge, Breez transports the injured construction workers to a medibot station, while Furno and Stormer are waiting for core recharges back at the Hero Factory. Corroder has easily gained the upper hand. The Heroes realize the best idea is to form a Hero Cell to protect themselves using their Hero Cores...
