The two dogs the shop owner has lost, Annie and Old Dan refer to the 1961 novel, "Where the Red Fern Grows" by Wilson Rawls. In the shot of Old Dan's grave, there is a red fern growing beside the gravestone.
The mutated clones of Krieger are an Easter egg from Alien: Resurrection (1997). Krieger's clones have the same mutations and deformations as the hybrid clones of Ripley (Sigourney Weaver) and a xenomorph queen.
The "pig launcher" (there are actually two) that Archer and Lana must guard is identical in almost all respects to a model manufactured by Pipeline Engineering and Supply Company, Ltd., of Richmond, North Yorkshire, UK.
Sterling Archer's top fears are alligators, crocodiles, and a brain aneurysm.
Lana (Aisha Tyler) states "2 weeks later I was in Tunisia, killing a different man." Three episodes later in Movie Star (2011), Mallory (Jessica Walter) states "3 weeks later I was in Tunisia, killing a man."