Big Bang Theory Finale: Johnny Galecki Recounts Emotional Moment He 'Said Goodbye to Leonard' — WATCH

The Big Bang Theory cast taped their last episode of the CBS comedy Tuesday evening on the Warner Bros. lot, but Johnny Galecki held off on bidding his character goodbye until shortly after the lights dimmed on Stage 25. READ MORE & WATCH VIDEO

Year in Review

2018 in Review: TV's Workaholics — Connie Britton, Johnny Galecki, Mckenna Grace and 22 More Actors

Watching TV in 2018 may have given you a sense of déjà vu.

Whether you were binging a Netflix series, taking in a CBS sitcom or viewing an FX drama, you likely saw the same actors popping up over… and over… and over again. READ MORE & VIEW PHOTOS