Walter White wakes up and it was all just a dream - he's still a High School Chemistry teacher stuck teaching low-life methheads in New Mexico...he had gotten ill after eating some bad table-side guacamole and fallen asleep listening to Badfinger.
This is the real ending to Breaking Bad:
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Finished season 1. It was definitely a slog. Season 2 has picked up a bit through 2 episodes.
Stick with it. The show builds momentum as it goes. Last season was so good. I can't wait for the next one.