You know them by heart, but have you ever thought to film yourself singing them? Proof that literally everything wonderful exists on YouTube.
All That
Central Connecticut State University's all female a cappella group the ACAbellas covered the live teen sketch-comedy's theme beautifully, even doing justice to the rap (originally recorded by TLC's Left Eye.)
Source: youtube.com
Doug
Source: youtube.com
Spongebob Squarepants
Michigan States' a cappella group Accafellas take on this beloved theme song... while wearing pirate attire. Go big or go home!
Source: youtube.com
My Life As A Teenage Robot
Source: youtube.com