Alyssa Osinga

A team of well-seasoned 40-somethings battle up-and-coming 20-somethings; each chef must cook a signature dish, to be rated on a scale of 1 to 5; the team with the most amount of points wins the challenge.

Each contestant is challenged to make their best chicken wings; the teams take on their first dinner service of the season.

Skateboarder Tony Hawk and 13-year-old Olympic medallist Sky Brown join Gordon to teach the contestants a lesson on hard work and success; teams have 10 minutes to shell and cook a lobster after watching Gordon demonstrate it to perfection.

The contestants go to a water park and are launched down a giant slide into a pool of ingredients; each team must create an amazing spin on four different types of sliders, containing unique ingredients found in the water park.

Both teams are tasked with serving a delicious breakfast to a group of first responders, firefighters and EMTs; the winning team earns a celebration in the Hollywood Hills; the losing team must sort the trash from the dumpster.

Season 20 winner Trenton and soon-to-be-wife Macy enter the kitchen and challenge the contestants to create their upcoming wedding menu; it's a once in a lifetime challenge when they find out who the dinner service is for.