Before he was womanizing Barney Stinson on “How I Met Your Mother,” and before she was the socially awkward love interest of Sheldon Cooper on “The Big Bang Theory,” Neil Patrick Harris and Mayim Bialik were just two kids, trying to make it in Hollywood.

Bialik ushered in a new era of headgear on her TV series “Blossom” while NPH donned a super-sweet lab coat on “Doogie Howser,” but it’s this throwback video of NPH meeting Bialik on her own show that’s giving us major nostalgic feels. In prepping for the highly-anticipated “Blossom” reboot coming later this month, The Hub Network released this clip of a young NPH guest-starring with Bialik on an episode of the show titled “Rockumentary.”

After an illness-induced hallucination causes Blossom to believe she’s a famous rockstar, NPH swoops in to give some mature, child-star advice: dump your parents. Check out NPH in all his ’90s glory.

“Blossom” premieres July 7 at 10:00 p.m. ET on The Hub.

[h/t The Wrap]