Kensi and Deeks go undercover at a decommissioned nuclear power plant as the team investigates the radiation poisoning of a Gunnery Sergeant moonlighting as a security guard there.
With Astra in captivity at the DEO, her husband, Non, captures Hank, leading to a tense standoff between the two sides. Also, Kara continues to refute Cat’s allegations that she is Supergirl.
Jonah's coworkers discover a mannequin that looks exactly like him. While trying to prove that the teasing doesn't bother him, Jonah ends up doing the complete opposite. Meanwhile Cheyenne is thinking of putting her baby up for adoption.
Season 20 begins with 26-year-old Ben Higgins meeting 28 beautiful bachelorettes vying for his attention and for the first impression rose. Among the ladies are identical twin sisters, a cowgirl and a dentist. But everyone is stunned when two late arrivals---Becca, runner-up on Chris Soules' season, and Amber, another alumna from Chris' season---join the party. Also appearing to give advice to Ben are former Bachelors Sean Lowe, Chris Soules and Jason Mesnick.
"The Biggest Loser," known for its incredible weight loss makeovers, will reveal an exciting makeover of its own when the popular series returns this season with new host Bob Harper, a new "Temptation" theme, an updated state-of-the-art gym, a new logo, fun format changes and a return to the popular team vs. team competition.