Dermot Morgan and Lorraine Enriquez join fitness instructor Mary Rose Doorly for an aerobic workout.

Fitness instructor Mary Rose Doorly asks her guests, model, and winner of the 1977 Miss Ireland competition Lorraine Enriquez, and comedian and actor Dermot Morgan about their fitness routines.

Although Dermot Morgan is known for his hurley wielding in the RTÉ studios, in his spare time he keeps fit by running and playing football.

He admits turning 31 bothered him,

I'm going through my midlife crisis early.

To prepare for their aerobic workout, Mary Rose Doorly leads the duo in some warm-up exercises.

Relax your face Dermot.

On the show, Mary Rose Doorly offers practical guidance to studio guests and viewers on how to stay fit and healthy.

This episode of 'Keep Fit with Mary Rose' was broadcast on 16 August 1984.