The article suggests that the major storyline issue between Leonard and Penny in "The Big Bang Theory" would have been resolved if the show had continued for a 13th season. The rushed revelation of Penny's pregnancy felt unearned and forced, leaving fans divided. The focus on Sheldon's Nobel Prize overshadowed other characters' arcs. Despite speculation about an unhappy marriage for Penny and Leonard, the show ended on a less-than-perfect note due to Jim Parsons not renewing his contract.