https://screenrant.com/big-bang-theory-barry-kripke-episodes-watch-before-stuart-spinoff/

Explore Barry Kripke's best moments in The Big Bang Theory before the spinoff premiere. These episodes showcase Kripke's intelligence & mischief.

5 Big Bang Theory Episodes To Watch Before Stuart Fails To Save The Universe (https://www.yahoo.com/entertainment/tv/articles/5-big-bang-theory-episodes-160000633.html)

Before you watch the Big Bang Theory spin-off Stuart Fails to Save the Universe, revisit these five episodes spotlighting Stuart, Denise, Bert and Barry Kripke.