The Dame Edna Treatment, 7.30pm, Nine The dame goes on, making a meal of vegetarians Alec Baldwin and Amanda Holden, until the party is crashed by the less than electric Engelbert Humperdinck. ‘‘ You wanted to be a doctor, didn’t you?’’ says Edna. ‘‘ Not really,’’ replies the Dink. The Best in Australia, 7.30pm, LifeStyle As cooking shows go, this one has the best opening montage, though the three hosts could use a bit of preparation when it comes to the beguiling banter. But we’re not here for the chatter, we’re here to learn how to make sensational food. Just as well. Jack the Ripper, 9.30pm, National Geographic In a reign of terror that lasted three months in 1888, Jack the Ripper murdered prostitutes in Whitechapel, Spitalfields and Aldgate in the city of London. Though Jack was never caught, this program points the finger at the British royal family, among others.