In the fifth season of "Baby Daddy," Danny (Derek Theler) and Riley's relationship takes a turn for the worse following Ben's antics at Bonnie's wedding. Misunderstandings between the pair gets Riley (Chelsea Kane) running back into the arms of an old beau. Meanwhile, Bonnie (Melissa Peterman) contemplates divorce shortly after returning from her honeymoon with Brad (Peter Porte). Tucker (Tahj Mowry) embarks on a new career challenge while sorting out his on-again, off-again relationship with Sondra (Rachna Khatau). Ben (Jean-Luc Bilodeau) realizes he needs to settle down for Emma's sake. After false starts with women from his high-school days, Ben falls in love with the girl of his dreams. Angela (Mimi Gianopulos) returns, demanding to spend more time with Emma (Sura and Kayleigh Harris). Daniella Monet ("Victorious") and Jamie-Lynn Sigler ("The Sopranos") take on recurring roles as Sam Saffe and Sara Gilcrest respectively. Eddie Cibrian and Mary Hart return for guest appearances.