The fourth season of the animated television series, Archer originally aired in the United States on the cable network FX.

On February 23, 2012, the Atlanta Journal-Constitution reported that FX had ordered a 13-episode 4th season of Archer, and signed a multi-year deal with Adam Reed and Matt Thompson's Floyd County Productions.

[1] Aisha Tyler also confirmed Archer was returning for a fourth season early in 2013 while appearing as a guest on Rove LA.

A snake bites Archer's taint during a covert operation to blow up an oil pipe and, in the vein of Heaven Can Wait, his subsequent venom-induced hallucinations uncover mysteries from his past, including the identity of his long-lost father.

ISIS is sent on a mission to recover a hydrogen bomb from a crashed B-52 with the help of Cheryl's brother and his girlfriend, who she fears is after her inheritance.