20 Best Episodes Of Better Call Saul

For its first three seasons, Better Call Saul was all about Jimmy and his fraught, love-hate relationship with his older, more successful brother, Chuck, who in Klick employs some of his sibling's craftiness to get him on tape admitting to a felony.

Klick puts the pairs relationship under the microscope, first in a devastating cold open that reveals their mother called out for Jimmy before she passed, unaware that Chuck was sat at her bedside, and then by allowing Jimmy to admit to tampering with Chuck's documents so he doesn't throw his career away.

It's a brutal, unpredictable hour of back-and-forth between two men who are more similar than they'd ever care to admit, and its cliffhanger remains one of the show's most detrimental and game-changing.

That's not all, though: Klick, for all its fine tuned character drama and tense twists, still has time to tease the long-awaited return of a fan favourite villain...