“Jonas” (8 p.m., Disney Channel): The Jonas Brothers star in their own high-school

“Jonas” (8 p.m., Disney Channel): The Jonas Brothers star in their own high-school sitcom as — hold on here — brothers who are rock stars!

“Living Out Loud” (9 p.m., Hallmark Channel): Gail O’ Grady stars in the made-for-TV movie “Living Out Loud.” She plays a high school chorus teacher who, after being diagnosed with breast cancer, returns to writing music, a passion she abandoned after becoming a wife and mother. Michael Shanks also stars.