Guest Star - Riki Lindhome
Riki Lindhome has guest starred in 1 episode of Stuart Fails to Save the Universe.
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102. Spoiler: Zack's in This One as Ramona Nowitzki
Aired July 30, 2026
Stuart, Bert, Denise, and Barry Kripke find themselves in an idyllic, peaceful Earth...that happens to be controlled by a repressive and vicious AI.
Other Shows
Riki Lindhome guest starred in 3 episodes of The Big Bang Theory.
206. The Cooper-Nowitzki Theorem as Ramona Nowitzki
Aired November 3, 2008
When a grad student, Ramona Nowitzki, falls for Sheldon, he is initially delighted to have somebody admiring and waiting on him. When Ramona's no-nonsense approach to keeping Sheldon productive sucks the fun out of his life, he's soon searching for a way to get rid of her.
1024. The Long Distance Dissonance as Ramona Nowitzki
Aired May 11, 2017
Sheldon's old admirer, Ramona Nowitzki, returns to the university just as Amy has gone to Princeton for the summer. Although Sheldon thinks their relationship is purely platonic, his friends question Ramona's motive.
1101. The Proposal Proposal as Ramona Nowitzki
Aired September 25, 2017
Amy finally meets Ramona, the woman who kissed Sheldon.