Yes, kids, that’s Sam Puckett from “iCarly” pulling up on that cool motorcycle at the beginning of “Sam and Cat,” a Nickelodeon show that premieres June 8 at 8 p.m. And yes, that ditzy ...

Sam, Dice, and Goomer go to a mixed-martial arts fight, leaving Cat at home to study. Sam's motorcycle goes missing. Cat loses her memory. Sam opens a safe in her bedroom and discovers a tunnel ...