Mayim Bialik and Melissa Rauch both joined “Big Bang” in season three and thus have to date earned significantly less than their co-stars.
The Big Bang Theory: Closing the Pay Gap - NYMM
Big Bang Theory cast take $100k per episode pay cut to get Rauch, Bialik a hike - Hindustan Times
Your Daily Edition – The Hollywood Reporter
Mayim Bialik, Melissa Rauch nab $500K per 'Big Bang' episode
Big Bang Theory stars 'offer to take pay cuts
Week in Review & This Week in Entertainment: Feb. 27
Big Bang Theory': Mayim Bialik, Melissa Rauch Contract Renewals — Seasons 11 and 12 – TVLine
Big Bang Theory': Mayim Bialik, Melissa Rauch Reach New Deals
Big Bang Theory' to end in 2019 with 12th season
Big Bang Theory Stars Seeking Big Raises After Bumps for Mayim Bialik, Melissa Rauch
Fans Wanted To Cancel The View After Humiliating Melissa Rauch