Bryan Cranston Bryan Cranston

So what's Plan B?

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Walt ( Bryan Cranston) and Jesse (Aaron Paul) need one after Gus (Giancarlo Esposito) foiled Walt's attempt to blow him to bits on last week's Breaking Bad (Sundays at 10/9c, AMC). But first, Walt has to remove his makeshift bomb from Gus' car. That he can handle; it's what he does afterward that lands him in a rather sticky situation.Watch the first minute of the Season 4 finale below: