Reba drops by Cheyenne and Van's house unexpectedly; Barbra Jean has a meltdown during her weather report.
Reba's children carouse at Brock and Barbra Jean's place; Cheyenne and Van commiserate with each other about the baby.
Reba discovers that her husband is leaving her for his pregnant girlfriend and that her 17-year-old daughter is pregnant as well.
Reba takes a stand when a pregnant Cheyenne is kicked out of high school but Van is allowed to stay to help the football team make the championships.
Reba discovers that her daughter's obstetrician will also be delivering the baby of her ex-husband's mistress.
Cheyenne tries to hide her morning sickness from Van; Reba's neighbor refuses to let her son sleep over.
The football players think they're doomed when Cheyenne serves the wrong kind of potato salad at the traditional pregame dinner.
Reba's ex-husband becomes jealous when she calls a plumber to fix a faucet; Cheyenne "moons" Van's teammates.
Reba ends up doing most of the work for Van's job when she insists they pay for a car given to him by Brock.
When Barbra Jean begins childbirth, Reba searches the wilderness for the camping father-to-be, Brock.
Pregnant Cheyenne believes she won the title of prom queen only because of Van's popularity, so she refuses to go; Reba and Brock react to a high-school student who asks Kyra to the prom.
When Brock spends a night in Jake's treehouse, Reba finds herself babysitting her ex-husband's newborn.
Cheyenne goes into labor shortly before her high-school graduation ceremony; Reba sings a lullaby to her new granddaughter in the hospital.