Stuart Fails to Save the Universe is still missing 3 major Big Bang Theory cameos after 4 episodes — but creators claim that returning cast are simply ‘who was available’

Mild spoilers for Stuart Fails to Save the Universe episode 4 ahead.

Four episodes into Stuart Fails to Save the Universe on HBO Max and we’ve seen four surprise Big Bang Theory characters return: Raj (Kunal Nayyar), Penny (Kaley Cuoco), Bernadette (Melissa Rauch) and Amy (Mayim Bialik).

With one new face per episode, you might be wondering whether the remaining six episodes in the series will continue the trend.

Most notably, Sheldon (Jim Parsons) and Leonard (Jonny Galecki) have yet to make an appearance — and considering they built the machine that Stuart (Kevin Sussman) broke that got him into this mess, it feels fitting that they should…

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