Ep 1. The Drop-Ins (1)

Welcome Back, Kotter season 4 episode 1, titled "The Drop-Ins (1)," follows the beloved Sweathogs and their beloved teacher Mr. Kotter as they navigate a new school year. In this episode, the Sweathogs welcome two new members to their crew as they prepare for a big basketball game against a rival high school.

The first new member of the group is Angie Globagoski, a tough and street-smart girl who quickly earns the respect of the Sweathogs with her no-nonsense attitude. The second new member is Freddie "Boom Boom" Washington's younger brother, Ah Chew, who is eager to prove himself as a worthy member of the group despite being a bit of a troublemaker.

As the Sweathogs gear up for the big basketball game, they must also contend with the meddling of a group of "drop-ins" from a nearby community center. These drop-ins are a group of affluent teenagers who come to the school simply to cause trouble and disrupt the lives of the Sweathogs.

Despite the challenges posed by the drop-ins, the Sweathogs remain determined to come out on top in the basketball game. With the help of their new friends Angie and Ah Chew, they are able to overcome their rivals and emerge victorious.

Throughout the episode, viewers are treated to the hilarious antics and witty banter that have made Welcome Back, Kotter a beloved classic over the years. Each character brings their unique personality and charm to the screen, making for an entertaining and engaging viewing experience.

Overall, "The Drop-Ins (1)" is a fun and lighthearted start to season 4 of Welcome Back, Kotter. It's a great introduction to the new characters and sets the stage for the hijinks and hilarity that are sure to ensue as the season progresses. Fans of the show won't want to miss this episode!