The episode of 'ER' featuring George Clooney's long-awaited return as Dr Doug Ross was screened on RTÉ One on Sunday.
In the episode, entitled 'Old Times', Neela (Parminder Nagra) and Sam (Linda Cardellini) meet Ross during the course of their work.
Carter (Noah Wyle) also gets a surprise visit from his old friend Peter Benton (Eriq La Salle) while waiting for his kidney transplant.
