Jeff feeds his childhood best friend a mind-altering chemical in order to reignite his youthful sense of fun.

To save his father's life after a car crash, Jeff begins using an alien device that harnesses the healing power of laughter.

Jeff accidentally hands the Earth over to alien conquerors with a voracious appetite for smoothies.

While the aliens are away on vacation, Jeff accidentally uses a device that gives everyone on Earth his exact personality traits.

After Jeff inadvertently murders an alien on the planet Azuria, he is forced to kill a human on Earth in order to prevent an intergalactic war.

Jeff becomes a brash, confident businessman after he uses an alien device to alter his memories.

To save the Earth from destruction, Jeff must win Linda's love within 50 days.

Jeff goes undercover among a group of preteen girls to convince his niece to pursue her artistic dreams.

The aliens try to help Jeff find his soulmate by running simulations with miniature clones. Jeff's chances with one prospect are thrown into jeopardy when her doppelganger escapes.

Jeff trades his life energy in exchange for luxury items that he uses to impress his ex -- but things quickly spiral out of control.