ABC has announced Wife Swap's fourth season, which will continue chronicle two families living different lifestyles trading wives/mothers for two weeks, will premiere on Wednesday, January 2 at 8PM ET/PT.

ABC ordered 13-episode fourth seasons of both Wife Swap and Supernanny last January for 2007-2008 midseason broadcast.  Wife Swap -- a British import that first premiered on ABC in September 2004 -- is produced by RDF Media Group and executive produced by Wendy Roth, Stephen Lambert and Michael Davies.

ABC also announced Wife Swap's fourth-season debut will serve as the lead-in for Supernanny's fourth-season premiere.  Supernanny will debut on Wednesday, January 2 with back-to-back one-hour episode broadcasts beginning at 9PM ET/PT.

In addition, ABC revealed Dancing with the Stars' sixth season will premiere on Monday, March 17 at 8PM ET/PT with a 90-minute performance episode broadcast.  ABC will then air Dancing with the Stars' first sixth-season results show broadcast on March 25 in its regular Tuesdays at 9PM ET/PT time slot.

Similar to this fall's ABC Monday night schedule, Samantha Who? -- a half-hour Christina Applegate sitcom -- will air in the half-hour period between Dancing with the Stars' sixth season 90-minute performance episodes and The Bachelor's one-hour episodes.  The Bachelor's twelfth season is scheduled to debut on Monday, March 17 at 10PM ET/PT on ABC.

Oprah Winfrey's The Big Give -- a new reality competition series executive produced by The Amazing Race co-creators Bertram van Munster and Elise Doganieri for Winfrey's Harpo Productions that will follow 10 people who are given money and other resources before being challenged to find "dramatic and emotional" ways to spend it on others -- is scheduled to premiere on Sunday, March 2 at 9PM on ABC.