The Middle - Season 7 Episode 22 -

After enduring year after year of botched Mother's Days, Frankie declares that the family gets to take a pass on doing anything at all for her this year. But after a man offers to buy Frankie's groceries at the market when she discovers that she forgot her wallet - and tells her to pay the kindly gesture forward - she decides to have the family pull each other's names out of a hat and do something nice for that person, which doesn't go as smoothly as planned.