Season 2 commands a few cameos – Charlie Sheen to name but one – and guest stars – Summer Glau as, erm, Summer Glau and Christine Baranski (Mamma Mia!, Ugly Betty) in a fabulous turn as ...

It's understandable if some Big Bang Theory fans spent the majority of Young Sheldon's runtime fondly reminiscing about the doubled-up series finale they'd just watched. Hopefully everyone stayed ...