Rule #149: Don't Eat the Yellow Snow

S5 E2: Abby and Jake fall into old confrontational patterns when Jake objects to Mike moving in with Abby. Albert plans a semi-surprise birthday party for Jo, which is disrupted by a visit from Jo's former mother-in-law, Meryl Frumpkis (Talia Shire). Phoebe finally introduces Tony to her friends. Delia makes a potentially life-changing decision.