The team must stop a runaway train with Paige and Ralph aboard. Meanwhile, Toby competes in his first boxing match in an attempt to impress Happy.
McGarrett and Odell come under siege in Odell's barbershop when they try to protect a man who is being hunted by a gang. Meanwhile, Jerry is wrongfully accused of committing a series of home invasions.moreless
The gang chooses sides as they vie for majority control of Paddy's Pub in the wake of Frank's retirement.
Larry finds out he's pregnant, and must decide whether to stay on Earth or return to Zabvron. Meanwhile, Reggie mulls becoming a human while and the neighborhood gets two new visitors.
Marty and Debbie love Friday night bowling but Marty is tasked with kicking her off the team when she proves to be a terrible bowler. Larry's brother arrives to challenge him after word gets back to home base that the alien colony is becoming too Americanized.moreless
Despite pleas from Marty and Debbie, Larry decides to attend his Indian co-worker's traditional Indian wedding. Larry and Jackie get swept up in the event looking for a wedding gift after Larry's research concludes that these types of wedding take place in "Bollywood".moreless
Debbie's Shark Tank encounter gives her the idea to attend business school. To help pass the qualifying exam, Dick steps in as her tutor. Amber and Reggie's relationship is tested again when an enhanced Jane enrolls at their school.moreless
The guys are given a bonus by Griffin, but quickly burn through the cash.
Exploring the world outside of Hidden Hills, the Bird- Kersees head to the city to see a Broadway musical which in turn inspires Larry to put on one of his own. Everything goes well until the fancy footwork slips up Dick and they call 9-1-1 - instead of going to Marty and Debbie.moreless
The Bird-Kersees get Marty to teach them to drive a car, they can fly a space ship so how difficult can driving be. Amber decides to use a Driver's Ed teacher instead of her dad, a decision she soon regrets.moreless
Marty and Debbie take it upon themselves to prepare Dick and Reggie for their first day of human school but their anti-bullying advice creates more havoc than anyone could have expected. To top it all off, Larry and Jackie are tired of the endless parenting tips from Marty and Debbie.moreless