It was like hell froze over, pigs could fly and who knows what else was happening in the ballroom of “Dancing with the Stars.”

That’s how shocking it was to watch Brooke Burke and Derek Hough open the show with a terrible jive to “The House is Rockin.’”

Brooke slipped up early and couldn’t recover in what judge Len Goodman described as a disaster.

The couple earned three 7s, and it was not “winner, winner, chicken dinner.”

It’s the semi-finals on “Dancing” and I guess it really is anyone’s game. Until this dance, I thought Brooke and Derek had the trophy in hand weeks ago.

Thankfully, the couples each performed two dances. Brooke and Derek redeemed themselves with a near-perfect salsa that kept them from the bottom of the judges’ leader board with a 49 total.

This was Lance Bass’ and Lacey Schwimmer’s night. Their mambo to “Straight To … Number One” was amazing, earning them 28 points (including a 10 from judge Carrie Ann Inaba).

The couple topped that dance up with a jitterbug to “Jim Dandy to the Rescue.” Their sailor outfits, high-energy dance cost Lance one of his shoes but he just kept going. His grandfather who was in the audience must be very proud.

Lance and Lacey racked up the 10s. They received two more for their jitterbug giving them first place for the night with 57 out of 60.

Tied at 49 with Brooke and Derek for second, Warren Sapp and Kym Johnson danced a casino-night mambo to “Tequila,” earning themselves a 24.

They followed that up with a jitterbug to “That Old Black Magic” that earned them a score of 25. 

Am I the only one who thinks the judges cut Warren a lot of slack? Every week, all three of the judges complain about his lack of technique and yet he’s never at the bottom of the scoreboard. The judges hit other dancers much harder for technique, but Warren “gets away with murder” according to judge Bruno Tonioli.

Once again at the bottom of the leader board, Cody Linley and Julianne Hough find themselves battling to hang on another week.

This week the couple performed a military style paso doble to “Le Disko” that earned them a 22.

Their salsa was slightly better for three 8s, leaving them with a score of 46 for the evening.

Tomorrow’s results show promises a jam-packed evening of music and dancing. Aretha Franklin, John Legend and Dancing’s own Julianne Hough will perform. Kristi Yamaguchi and Mark Ballas will return to the dance floor.

Soon there will be only three for next week’s finale. The only person we know will be there is Miley Cyrus. She’ll be performing her song “Fly on the Wall.”

* Just to keep up-to-date on the “Dancing with the Stars” sick bay: Cloris Leachman was reported as being hospitalized for pneumonia, but her spokesperson said it was just a cough and the 82-year-old star is expected to tape something for “Dancing with the Stars” this week. If you can’t get enough of Crazy Cloris, she’ll also be the grand marshal of the 2009 Rose Parade.