Today on TV

How I Met Your Mother (7 p.m., Ch. 2) and The Big Bang Theory (8:30 p.m., Ch. 2): These two sitcoms officially move to their new time slots. (Repeats)

The Bachelorette (7 p.m., Ch. 4): Oh, is this still on? Yikes. Jillian takes the eight remaining bachelors on a train trip. Whoo. How exciting.

The Closer (7 p.m., TNT): Gabriel shoots a murder suspect.

History Detectives (8 p.m., Ch. 7): Items include the PsychoPhone, which Thomas Edison created to record messages from the afterlife.

Raising the Bar (8 and 10 p.m., TNT): Jerry schemes to get back at Judge Farnsworth.

The Secret Life of the American Teenager (9 and 11 p.m., ABC Family): In the second-season premiere, Amy adjusts to the demands of motherhood.

Make it or Break It (10 p.m., ABC Family): Debut of this teen drama/soap opera about a group of young gymnasts training for the next Olympics.

Kathy Griffin: My Life on the D-list (11 p.m., Bravo): Things don't go well at the Grammys; Kathy and Paula Deen do some cooking.

Weeds (11 p.m., Showtime): Jill drops in unexpectedly.

Nurse Jackie (11:30 p.m., Showtime): An elderly patient treats heart disease with chicken soup.