You can take all the AS and A2 units in June 2016, or you can just retake the units you most need to improve (the big changes to A levels will not affect this until summer 2017).S levels in old-spec subjects will also be available, probably for the very last time in Phase 1 subjects, so if you sat AS in summer 2015 and need to resit units in summer 2016, alongside your A2 exams, you should still be able to do so.
Happy Days was one of ABC's longest running sitcom airing from January 15, 1974 to July 12, 1984. 255 episodes were made during the shows 11 seasons (Paramount and ABC thought the show would go off the air after 13 weeks and initially didn't pour any money into it). The beginning of Happy Days.
The comedy series will now run for an unprecedented 14 seasons, making it tied with Ozzie & Harriet, a comedy-variety show that ran from the '50s through the '60s on US television. This now makes It's Always Sunny In Philadelphia tied with Ozzie & Harriet as the longest-running comedy series in television history. The next closest contender is Two And A Half Men, which ran for twelve seasons whilst Cheers, Frasier, Married... With Children and Happy Days all ran for eleven seasons.