Ep 1. Justin Timberlake

As a result of his growing popularity, Justin Timberlake became one of the most highly anticipated guests of season 4 of The Ellen DeGeneres Show. The episode begins with Ellen's usual comedic monologue, which leads to the day's main attraction. Ellen welcomed Justin with a great reception, all the audience screaming and clapping in excitement. Justin Timberlake appeared very relaxed and excited to be on the show as he exchanged high-fives with people in the audience on his way to the stage.

Ellen wasted no time in getting right down to business by delving right away into the great reception to his latest studio album and his experience as a part of the N*Sync music group. They reminisced about his early hits, and Ellen asked him what inspired him while creating his new album. Justin explained how he tries to keep things fresh and fun in the music-making process, that he doesn't necessarily sit down with the intent of writing a hit. He prefers experimenting and having fun in the studio, which he believed it played a crucial role in his recent musical success.

Ellen then proceeded to play a game where Justin had to answer random questions from the audience, giving them relationship advice, in addition to little fun trivia regarding his preferences between pancakes and waffles. However, the best part of Ellen's show is the audience participation games. In this episode, Ellen orchestrated an exercise that had Justin guessing the identity of various celebrities hidden behind an unconventional mask such as vegetables and house items, and the sheer amusement of the audience made the game entertaining.

After the games, Ellen and Justin started taking questions sent in by the fans. Among the topics discussed, Justin talked about his love for his wife and children, the origin of his hairstyles, and his take on retirement. He had an overall hilarious and personable demeanor, reminiscent of his famous Saturday Night Live skits.

Ellen ended the show with a more personal touch, where Justin performed some of his songs live and gave a heartwarming performance that had the audience up and walking to his rhythm. Justin finished by thanking the audience and all his fans for their support, and Ellen closed the show reminding people to tune in to hear more interviews and fantastic performances by celebrities.

In all, The Ellen DeGeneres Show season 4, episode 1 with Justin Timberlake, has become iconic in the history of the talk show's episodes. Ellen and Justin's dynamic interaction throughout the entire episode made for an entertaining and informative experience for the audience members and viewers. The group game segments and questions shared by fans showed Justin's charming fun personality which delighted his fans and went viral. It is a memorable episode and one that has helped cement the show and show's host's reputation as one of the most intriguing daytime talk shows on television.