Ratings


Spartacus Blood and Sand
Episode 1 The Red Serpent 659 000 viewers
Episode 2 Sacramentum Gladiatorum 773 000 viewers
Episode 3 Legends 858 000 viewers
Episode 4 The Thing in the Pit 662 000 viewers
Episode 5 Shadow Games 846 000 viewers
Episode 6 Delicate Things 1.078 million viewers
Episode 7 Great and Unfortunate Things 974 000 viewers
Episode 8 Mark of the Brotherhood 875 000 viewers
Episode 9 Whore 1.109 million viewers
Episode 10 Party Favors 1.265 million viewers
Episode 11 Old Wounds 1.130 million viewers
Epiosde 12 Revelations 1.285 million viewers
Episode 13 Kill Them All 1.227 million viewers
Spartacus Gods of the Arena
Episode 1 Past Transgressions 1.1 million viewers
Epidode 2 Missio 1.136 million viewers
Episode 3 Paterfamilias1.264 million viewers
Episode 4 Beneath the Mask 1.112 million viewers
Episode 5 Reckoning 1.38 million viewers
Episode 6 The Bitter End 1.72 million viewers
Spartacus Vengeance 
Episode 1  Fugitivus 1.391 million viewers
Episode 2 A Place In This World 1.301 million viewers
Episode 3 The Greater Good 1.401 million viewers
Episode 4 Empty Hands 1.471 million viewers
Episode 5 Libertus 1.564 million viewers
Episode 6 Chosen Path 1.186 million viewers
Episode 7 Sacramentum 1.246 million viewers
Episode 8 Balance 1.101 million viewers
Episode 9 Monsters 1.347 million viewers
Episode 10 Wrath of the Gods 1.450 million viewers
Spartacus War Of The Damned 
Episode 1  Enemies Of Rome  983 000 viewers
Episode 2 Wolves At The Gate 820 000viewers
Episode 3 Men of Honor  950 000 viewers
Episode 4 Decimation 880 000 viewers
Episode 5 Blood Brothers 1.02 million viewers
Episode 6 Spoils of War 870 000 viewers
Episode 7 Mors Idecepta 1.089 million viewers
Episode 8 Seperate Paths 1.09 million viewers
Episode 9 The Dead and the Dying 1.07 million viewers
Episode 10 Victory 1.425 million viewers

Source: TVbyTheNumbers 
Source: Spartacus War Of The Damned Wikipedia