So far with this episode, we now have an updated version of the KND operatives' families:
Numbuh 1 - Dad (Mr. Uno), Mom, only child
Numbuh 2 - Mom (Betty), little brother (Tommy), Grandma, and no dad?
Numbuh 3 - Dad (Mr. Kani Sanban), Mom (Mrs. Genkei Sanban), little sister (Mushi), and a future granddaughter (Sally Sanban)
Numbuh 4 - Dad (Mr. Beatles), Mom (Mrs. Beatles), and a baby brother (Joey)
Numbuh 5 - Dad (Dr. Lincoln), a big sister (Cree), and no mom?