When Sam and Cat try to help Goomer with a supposed bully at his gym, Sam ends up inadvertently knocking out an MMA champion and quickly gets pulled into the world of professional fighting.
Sam and Cat bribe a child to raise her grades in exchange for a doll, but the cost of the doll and its accessories are more than they expected. Meanwhile, Goomer can't find his lucky T-shirt.
Sam and Jade become friends, which makes Cat jealous, so she makes friends with Freddie Benson. Then Sam, makes friends with Robbie and she has to jump over a tank full of vicious man-eating tunafish with her motorcycle.
An old TV show's title causes problems for the girls because it's similar to their business's name, so Sam and Cat try to find the show's creators, who are in the midst of a long-standing feud.
A client compliments one of the girls, but Sam and Cat aren't sure to whom he was referring, so they get competitive and try to outshine each other as babysitters.
Cat persuades Sam to enter a texting competition where she faces off against a sweet boy with domineering mother. Dice attempts to dodge his annoying old pal.