In the Season Five finale, Robson goes to extremes to remedy his gum dilemma, Meanwhile, McManus struggles with personal turmoil over his decision to stay at Oz and Rebadow deals with his grandson's fate.

Hill's recovery leads to renewed friction between Redding and Morales, Alvarez gets his wish as the 'Man's Best Friend' program is finished and Meehan presents some revolutionary ideas to help Cyril.

As Cyril's trial gets off to an inauspiciously cold start, tensions between Mukada and Kirk come to a boil. Also, a priest named Meehan lands in Oz while White and Said turn over a new leaf in their relationship.

Robson stirs up problems between White and Said. Meanwhile, Pancamo's illness might save some work for his enemies, Schillinger makes a friendly but suspicious overture towards Beecher, and Morales seeks revenge on his sister's abusive husband.

Penders, Hill and Alvarez are given a chance to train seeing-eye dogs; Martinez gives Brass a 'cocktail' he definitely didn't order; the love triangle between Beecher, McClain and Keller becomes more complicated.

Brass wants to know who cut his tendon; Redding and Morales form another uneasy alliance; Rev. Cloutier's mysterious influence over his followers grows more intriguing; and Keller returns to Oz, only to be hit with an ID from an old murder charge.

McManus thinks White may reform if he spends quality time with Said; Alvarez offers Guerra a unique solution to their dispute; O'Reily's mother, Suzanne Fitzgerald, begins a community service term teaching music at Oz.

In its fifth season premiere, Oz re-opens in the wake of major renovations that had to be completed following a gas explosion.