Riley prepares to be a maid of honor and takes her duties seriously, while Ben expects the wedding to be lackluster and tries to add some excitement to it.

Ben wants his father present for Emma's first family Christmas photo. Meanwhile, Tucker and Riley discover Danny's old high-school journal.

Ben receives coaching from a supermom, who secretly has another reason for meeting with him. Elsewhere, Bonnie and Riley get accused of shoplifting when Emma grabs items in a store.

Ben and Tucker vie for the same woman's affections. Meanwhile, Danny gets public-speaking tips from Riley; and Bonnie enters the world of online dating.

Riley becomes the captain of Ben's softball team and pushes the team too hard. Meanwhile, Bonnie begins a romance with Danny's coach; and Emma develops an aversion to eating.

Ben asks Riley to pretend they're married in order to impress his potential new boss.

The guys appreciate all of Bonnie's help, but she is starting to become a little too overwhelming for them - showing up unexpected at their apartment at all hours. Ben looks forward to his time with Emma when he's not working, but with Bonnie always jumping in to take care of her, he's starting to miss his daddy time. Meanwhile, Riley has a new study buddy, Jack, who Danny seems jealous of, but Ben encourages her to date him. The guys try to hide from Bonnie by heading over to Riley's house, which ends up sabotaging her date.

Ben and Tucker take baby Emma to her first doctor's appointment, and Ben ends up asking Nurse Cassie out on a date. Riley is jealous of Ben's new relationship with Cassie, but tries to befriend her per Ben's request. Meanwhile, Danny has his first hockey game with the NY Rangers and he's very superstitious - he wears an old high school jersey that has never been washed to every game and Bonnie caters to his every ritual. Tucker, in an effort to clean up the apartment, washes Danny's jersey by accident and it shrinks down to a tattered mess - Danny is devastated. At the game, Riley and Cassie get into a girl fight, which is featured on the jumbotron.

The guys are adjusting to their new responsibilities of caring for Emma and it's not as easy as they thought it might be. Ben thinks he comes up with a fool-proof babysitting schedule, but after a series of miscommunications, their plan falls apart. Ben's priorities are not quite in order when he opts to go on a date with a new girl, then stay home - but all he can think about is his little girl. Meanwhile, Bonnie fears the guys can't handle the responsibility and jumps in to help, but Riley tries to convince her to give them a chance.

Bachelor Ben discovers he's a father when his ex-girlfriend leaves their baby girl on his doorstep in the series premiere of this comedy about a young man raising a baby with assistance from his family and friends.