Mandy's 15th birthday; Balthazor is recruited by a mysterious man to destroy the drill.
Tina tries to spend time with Mandy; Killbride entertains a Japanese executive.
Tina shows the town to the wife of a Japanese businessman; switched personalities threaten Hellman's mission.
After Killbride’s company creates a new weight loss robot, he uses it as the new leader of the neighborhood watch.
Killbride has a new initiative to collect dogs in exchange for guns.
Tina's parents from Hell make a visit to Earth, Balthazor makes an extra effort to impress Tina's father. Concerned that their daughter and grandkids will assimilate too well into human culture, the in-laws arrive with a plan to bring the family back to Hell.
Mandy starts to date Killbride's son and Balthazor uses this opportunity to get closer to Killbride.
Balthazor joins his boss on a golf outing, while the family struggles to fit in with the humans.
The Hellman family is sent to Earth's surface to save hell from human beings.