Young Sheldon looks stoic as he holds up a labeled videotape.

Sheldon Cooper started college early, in part thanks to this video presentation.

Photo: Michael Yarish/CBS

Easter eggs aren't just for Easter.

Half the fun of watching Young Sheldon is spotting nods to the mothership, The Big Bang Theory. Eagle-eyed fans: How many of these references do you remember?

Watch Young Sheldon Thursdays at 8 p.m. ET/PT on CBS. Stream anytime on Paramount+.

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