The company plans offering a dual service in which content can be watched using a mobile phone or a computer, New Media Age reports.
T-Mobile is currently discussing its notion with a variety of content suppliers, including Ministry of Sound, EMI, ITV, Universal and Warner.
The seven day rental service will be called Video On Demand Plus and will be boosted by a website presence.
Purchased video will be synced across platforms, viewers will be able to bookmark them so they can continue watching a show where they left off, regardless of platform.
No details yet on any launch window.