what episode does someone tell Sheldon that is neither fun nor a fact

That quote is from The Big Bang Theory episode “The Bat Jar Conjecture” — season 1, episode 13. In that episode, Sheldon’s team gets reshuffled during the Physics Bowl, and the line you’re asking about appears in that context.

Episode

• Series: The Big Bang Theory.

• Episode: The Bat Jar Conjecture.

• Season/Episode: S1E13.

Why it fits

• The episode centers on Sheldon’s competitive behavior and the Physics Bowl, which matches the kind of sharp, dismissive banter associated with that quote.

• The IMDb entry for the episode includes the character and plot context that aligns with the line you quoted.

TL;DR: it’s Season 1, Episode 13, “The Bat Jar Conjecture.”