Months after Red Panda broke her wrist during a fall in the WNBA Commissioner's Cup championship ... the iconic halftime performer made her much-anticipated return on Thursday -- and it's safe to say she is SO back.

The legend popped up at the Amazon Studios after the L.A. Chargers beat the Minnesota Vikings on "Thursday Night Football" ... and proved she hasn't missed a step in recovery.

If there were any nerves for the performance, she wasn't showing them. The crew went wild when the performer -- real name Rong "Krystal" Niu -- nailed her signature bowl flip while riding a unicycle.

Ryan Fitzpatrick and Richard Sherman were especially hyped ... as the two started running around the studio after the feat.

It was a special moment ... 'cause the last time we saw Niu -- she

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