With Calvin down a teammate for his annual bowling championship, Dave offers to fill in and soon finds his mediation skills put to the test when he meets the competition: Calvin's arch-rivals, the Pink Ladies. Also, Gemma and Tina dare to face off against each other for the top ranking in an arcade game.

Calvin reluctantly agrees to let Marty create a website for his auto shop in the hopes of drumming up more business. Also, with Gemma out of town for a school retreat, Dave makes it his mission to prove to his son, Grover, that there's more to life than his favorite gadgets.