Host Alex Trebek has officially returned to "Jeopardy!" six months after being diagnosed with stage 4 pancreatic cancer. 

"Today, 'Jeopardy!' begins its 36th season on the air, and I'm happy to report I'm still here,'' he said on the show's season premiere Sept. 9. 

Why Alex Trebek’s pancreatic cancer is a difficult cancer to treat

Trebek, 79, announced he had concluded chemotherapy treatment in August and would return to the show. 

Alex is back in action! Join him on September 9 for the premiere of Season

— Jeopardy! (@Jeopardy)August 29, 2019

Trebek first announced his diagnosis in March. 

"Now normally, the prognosis for this is not very encouraging, but I’m going to fight this, and I’m going to keep working," he said. "And with the love and support of my family and friends and with the help of your prayers also, I plan to beat the low survival rate statistics for this disease."

Doctors have declared Trebek "near remission," according to a statement.

Fans were excited to see the celebrated host return to the air. 

So glad to have Alex Trebek and#Jeopardy back on tv for a 36th season. So glad to have Trebek healthy and in

— Eric (@PaxAttack300)September 9, 2019

New Jeopardy and Alex Trebek is fine!

— Dr.KeishaBee (@KeishaBee626)September 9, 2019

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