Jack’s Big Music Show (Noggin, Mon.-Fri. at 1 p.m.; weekends at noon) You might think of this as TRL for toddlers, minus the hair gel and $200 dungarees. Jack, the main puppet on this live ...

(“TRL,” or “Total Request Live,” is a music show on MTV, Noggin’s corporate cousin.) Jack is a puppet who will host the show, which begins in the fall, from his backyard clubhouse.