Here it is:
Episode 303, 'Men of Honor':
A band of marauders may be Spartacus' only option for providing food and supplies for his warriors; Crassus' son Tiberius makes a fateful decision.
source: MSN Entertainment
Spartacus War Of The Damned Episode 1 Title And Description
Episode 302 Spartacus War Of The Damned Description
Spartacus War of the Damned Episode Titles - Complete List
Episode Guide Page