'90s Heartthrob Freddie Prinze Jr. Is Nearly Unrecognizable During Recent Trip to Sydney

Freddie Prinze Jr. unintentionally went incognito while exploring parts of Sydney, Australia, with his wife, Sarah Michelle Gellar.

In a photo the 48-year-old actor shared to his Instagram Story on Monday, the She's All That alum posed before a koala bear that appeared asleep on the tree branch it rested on at the zoo. He dressed super casually, wearing a pair of oversized aviator sunglasses. But it was his scruffy facial hair that really did the trick of masking his identity—at least, at first glance.

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The '90s heartthrob didn't share any other photos from their visit to the massive attraction, but his wife of nearly 22 years did, tagging Sydney's SEA LIFE Aquarium and WILD LIFE Sydney Zoo in her upload.

On Dec. 2, Gellar, 47, posted nine photos from the couple's visit, even posing with the same koala as her husband. Other images included in the carousel got fans up close and personal with penguins, massive sharks and a few more "new friends" as she documented her interactive experiences on location.

Fans were certainly appreciative of the upload, with one top-liked comment dubbing the set of pics "koalaty time."

"Aw. Buffy being so polite to Stitch while he naps," a second joked.

A third quipped that the couple's adventure reminded them of "the hyena episode in season one of Buffy!"

Next: Why Freddie Prinze Jr. and Sarah Michelle Gellar Keep Their Relationship Low-Key, With Regular Rounds of Jeopardy!