First SNL, and now The Middle!

Betty White will lend her comedic flair to the role of a stern school librarian on the season finale of The Middle on ABC, the network announced Friday.

The 88-year-old White will play a disciplinarian who chastises Brick (Atticus Shaffer) about his failure to return a stack of overdue library books.

The episode will film next week and air in May, according to ABC.

The Middle, which also stars Patricia Heaton, Chris Kattan, Neil Flynn, Charlie McDermott and Eden Sher, airs Wednesdays (8:30 p.m. EST). –Catherine Donaldson-Evans

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Source, Fame Pictures