12 seasons, 279 episodes, and more "bazingas" than anyone could count — yet "The Big Bang Theory" still never found the time to wrap up these storylines… #BigBangTheory #TheBigBangTheory #TBBT Penny's last name | 0:00 True love for Raj | 1:00 Sheldon's fear of public speaking | 1:54 Penny's missing sister | 3:03 Who got tenure? | 3:51 Alex Jensen | 4:36 Did Penny finish her course? | 5:44 Mary and Beverly | 6:33 Howard's dad | 7:14 Howard's half-brother | 7:52 Penny's businesses | 8:46 Voiceover By: Tim Bensch Visit Official Looper Website https://www.looper.com Sign up for our newsletter to keep up with all the major movie and TV news: https://subscribe.looper.com/newsletter-yt?utm_source=youtube Add us as a preferred source on Google: https://www.google.com/preferences/source?q=looper.com