Frat Chance - S7-E6
Corrected entry: In this episode Bud fills the empty milk box with water right from the faucet. In the next episode Al tells how he has been attacked by the water company's woman on payday forcing him to pay his water bill. 2 episodes later there is water right out the faucet, and they say it's "for the first time in months". (00:03:45)
Peggy and the Pirates - S7-E18
Corrected entry: At the end of the episode, the ending credits say "Special Appearance: David Garrison as Steve Rhoades." David Garrison did not appear as Steve Rhoades in this episode, but as Rubio the Cruel.
Correction: There is no mistake. The pirate story uses Married With Children characters, rather than real life people being the characters. So Al Bundy was Captain Courage (as opposed to Ed O'Neill being Captain Courage), so Steve Rhoades was Rubio and David Garrison was Steve Rhoades.
Correction: That's because each episode of married with children is not tied to the episode before it. Months can pass from one episode to the next.