The Big Bang Theory eventually revealed what became of Tam, one of the few people Sheldon Cooper tolerated as a kid genius on Young Sheldon.

The Big Bang Theory's expansion series, which will be a true spinoff to the flagship, will feature Chuck Lorre's original Leonard and Sheldon.

While discussing potential plotlines for the new show — and how they may tie into other characters and events in Big Bang Theory canon — Lorre said there is a world of opportu