Since The Einstein Approximation in Season 3 of The Big Bang Theory. Bernadette doesn't get featured in the last nine series 3 episodes and the first three Season 4 episodes of The Big Bang Theory. After her return as main cast in The Hot Troll Deviation and The Deception Verification she doesn't get featured/credited in the 6th, 7th, 11th, 12th, 15th and 18th episodes of that Big Bang Theory season (Series 4). She had appeared as main cast in the 8th, 9th, 10th, 13th, 14th, 16th, 17th, 19th, 20th, 21st, 22nd, 23rd and 24th episodes of that Big Bang Theory season 4. The only two Season 5 episodes she doesn't get featured/credited in are The Infestation Hypothesis and The Rhinitis Revelation. She did feature as main cast in Episodes 1, 3-5 and 7-24 of that Big Bang Theory season (Series 5)This category currently contains no pages or media.