During a bank robbery, Fraser and Ray are trapped in a time-locked, water-filled vault. After Ray is declared dead due to a mix-up with the insurance company, Fraser and Ray go to Ray's bank, where the end up in the middle of a robbery, running into someone they've met before... Morgan. Fraser and Ray lock themselves in the vault and Fraser sets off the sprinkler system, hoping to hit the criminals with a tidal wave of water. Meanwhile, Frannie is waiting in Ray's car outside, and enters the building, thereby becoming a hostage.

Elaine finds out that her favorite birth control method, 'the sponge' is going to be discontinued, so she goes around town to find all the sponges she can find. Since she could only find a limited amount, Elaine comes up with a system of requiring her dates to prove they're 'spongeworthy'. Each date comes up with some way of proving himself. George gets in trouble with Jerry after telling Susan things that Jerry confided in George.

Carol and Jeanie try to find a home for a schizophrenic architect. Carter signs Benton up for an interview with Vucelich for a prestigious study. Carter and Harper try to find a place to make out, after which he spends the day with a bandage on his neck to hide the hickey. Jenn and Rachel are involved in a car accident. Meanwhile, Mark is thrown for a loop when he learns that Jenn has been having an affair with a co-worker. Doug dines with his mother. Susan receives $3000 in the mail from Chloe.

TEAMS: Ian Hislop & Craig Charles; Paul Merton & P. J. O' Rourke