The Big Leap | 9pm | Fox

When a trip back to Gabby and Justin’s high school leads to a big emotional reveal, both Gabby and the producers are left wondering how to best move forward. Meanwhile, Nick tries his best to stage a very important conversation between Mike and Paula — against their will. Then, Reggie works to figure out how to cope with a new development in his relationship, and Julia struggles to relate to her daughters, while they cope with the changes in their family.