The CW network have released the official episode description to "Rage" due to air 9th November.
THE GREEN ARROW INJECTS HIMSELF WITH A SUPER-DRUG TO BECOME INVINCIBLE
Clark discovers the Green Arrow was shot while trying to save a couple from a carjacking, but Oliver denies he was injured. However, when Oliver starts displaying erratic behavior, Clark and Chloe investigate and discover he is taking a super-drug that causes his body to heal itself but has severe side effects. Meanwhile, Lana makes a shocking discovery that will impact her relationship with Lex.
Clark discovers the Green Arrow was shot while trying to save a couple from a carjacking, but Oliver denies he was injured. However, when Oliver starts displaying erratic behavior, Clark and Chloe investigate and discover he is taking a super-drug that causes his body to heal itself but has severe side effects. Meanwhile, Lana makes a shocking discovery that will impact her relationship with Lex.