Jeff, 59, posted a video on Twitter at the time in which he recorded himself standing on a beach in Fiji, whereSurvivor was shooting Season 41.
"I can't believe it's been 21 years since the series premiere of @survivorcbs," Jeff tweeted.
"I wanted to find time today to recognize all the loyal fans for the continued support, we would not be going 21 years strong without you. Thank you, I can't wait for you to see S41 on @CBS in the fall."
In the video, Jeff began, "Greetings from Fiji, where it is cold and rainy and windy and we are shooting Survivor. In fact, we are just a few minutes away from shooting a challenge.
"I stepped away so I don't give anything away," he continued, "because I wanted to be a part of celebrating that it was 21 years ago -- May 31st, 2000 -- that we premiered our first season, the first episode."
Jeff went on to give longtime Survivor fans credit for the show's incredible success.
"It's crazy that we're back out here still shooting," Jeff acknowledged.
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"We love it and it's directly because of you guys: loyalSurvivor fans who often become dedicated Survivorplayers, who hopefully go back to being loyal Survivor fans."
"For 21 years you've been with us, we appreciate it," the longtime host added.
"We love making this show, we're out here right now making more. SoSurvivor 41 will be the beginning of the third decade ofSurvivor, it premieres in September. I hope you like it, we're trying some new things, as always. You'll let us know."
Jeff went on to tease how the players were going to be "exhausted" after competing in the challenge and then vote somebody out.
"But that is the dream -- and the dream is still alive 21 years later," Jeff concluded.
Following a year-long delay due to the coronavirus pandemic, Jeff tweeted back in late March that production of the show's 41st season was about to commence soon in Fiji.
"I am thrilled to tell you all that @survivorcbs is going back into production and I will see you on the island for #Survivor 41! @CBS," Jeff wrote on Twitter at the time.
Along with his tweet, Jeff posted a video of himself and revealed, "Hey Survivor fans, I have some exciting news to share! Survivor is going back into production. Fiji has invited us back to their beautiful country to shoot season 41."
"We have all of our COVID protocols in place so that everybody in Fiji will remain safe, all of our crew will be safe and, of course, our players will be safe."
The host continued, "And I've got to tell you, I can't remember a time when I've been this pumped to shoot Survivor, and I'll tell you why: The past year has reminded me -- and I hope it's reminded you -- that you've got to live your life like it's one big, great adventure, andSurvivor fulfills that."
"So I am thrilled to say I will see you on the island for Survivor 41. Let's do it!" Jeff concluded.
Season 41 of Survivorwas supposed to begin filming on March 24, 2020 in the Mamanuca Islands in Fiji, however Jeff informed crew members at the time cameras would not start rolling until at least May 2020 due to COVID-19, according to Entertainment Weekly.
Season 42 of Survivorwas reportedly set to begin filming on May 24, a few weeks after Season 41 was scheduled to wrap production.
When May 2020 rolled around, CBS announced that Season 41 of Survivor was slated to air in Fall 2020 in its longtime Wednesday at 8PM ET/PT timeslot.
However, Jeff admitted in July 2020 that producers still didn't have a plan in place.
"There are all kinds of things happening in the world right now -- certainly they impact the physical aspects of production... Shooting in a foreign country is exponentially more complicated, and we are still exploring them," Jeff explained to The Hollywood Reporter at the time.
"I'm on the phone every couple of days, either with the government of Fiji or with our executive teams that are in charge of logistics and planning. We're continuing to lay out ideas. We don't have a plan yet."
"It's what we're spending all our time doing because it's not like we're going to Atlanta to shoot a show," he added.
The Hollywood Reporter, however, pointed out to Jeff that Fiji had declared itself coronavirus free.
"They've done an incredible job of controlling the virus. They've had a total of only 15 cases in their entire country, and they've had no active cases for months," Jeff said.
"They have figured out how to handle it, and they just want to ensure that when we come shoot there, we don't change that. We're working together with them, but they've been very production-friendly in terms of wanting it to happen."
But sinceSurvivor's crew is comprised of people from all over the world, closed borders and travel bans amid COVID-19 prevented the show from being able to commence filming in Fiji, which has served as Survivor's filming location since Season 33 in 2016.
The reality series, which debuted in 2000, had previously aired two seasons per calendar year since 2001, and the 2020-2021 television season marked the first time in nearly two decadesSurvivor has not aired a fall or spring season on CBS.