Baby Daddy: follows Ben, a young man in his early 20s living the life of a bachelor in New York City with his buddy, Tucker, and his brother, Danny. Their lives are turned upside down when they come home one day to find a baby girl left on the doorstep by an ex-girlfriend of Ben's. After much deliberation, Ben decides to raise the baby with the help of his friends and his protective and sometimes over-bearing mother, Bonnie, and his close female friend, Riley.
While Ben and Riley strive to get rid of their significant others, Bonnie and Tucker gain a gambling habit at the rink.
Relationships get confusing as Ben pretends to be with Bonnie, Danny pretends to be with Elena, and Riley pretends to be with Ross.
Bonnie and Nana Lyle go head-to-head, while Tucker and Riley join an improv class.
Ben takes a trip to the sperm bank, and Riley and Danny reluctantly plan a friend’s engagement party together.
Riley puts Danny on trial for breaking her heart on the summer premiere episode.
Sam invites Ben, Danny and Riley to the Hamptons and they flash back to high school.
When Danny finds out that Ben is still Riley’s emergency contact, he acts as if Ben and Riley’s relationship didn’t count.
Tucker misunderstood Zoey, Danny misunderstood Sam and Bonnie misunderstood a new girlfriend.
Ben meets someone new, and Riley has a surprising reaction to Danny’s proposal.