We look back on The Big Bang Theory's eighth season and whether the show is losing steam in its old age.

Underrated episodes ... The Big Bang Theory was always lucky to get notable scientists to cameo on the show, including Stephen Hawking, who makes his first cameo in season 5. In season 8, Leonard ...

The principal cast all reportedly earned more than $1 million (£774,380) per episode ... The Big Bang Theory has attracted more than 18 million viewers every year since its sixth season aired ...

"The Big Bang Theory" officially concluded in 2019 after 12 years and the same number of seasons — but will it ever get ...

The Big Bang Theory, which has had more seasons, more episodes and an even longer run than Friends, will air its final season in May 2019. The show reportedly averaged more viewers per episode in ...