Several characters appear in both shows; however, some important characters missed out on appearing in The Big Bang Theory ...

Young Sheldon introduced some vital new characters to the world of The Big Bang Theory, who influenced Sheldon in ways we ...

For seven seasons, the younger version of Sheldon Cooper (originally played by Jim Parsons but portrayed here by Iain Armitage) colored in the corners of the "Big Bang Theory" universe.

The Big Bang Theory spinoff at Max continues to assemble the Avengers of recurring characters. John Ross Bowie is set to reprise his fan-favorite role as Barry Kripke in the as-yet-untitled ...