
Please provide the original text, and I'll rephrase it for you.
A chance meeting in London sparks a whirlwind romance between Sharon, an Irish woman, and Rob, an American businessman, resulting in an unplanned pregnancy.
At the present time, viewers have the opportunity to enjoy "Catastrophe" completely free of charge, though with occasional advertisements, on the following streaming platforms: CBC Gem. Additionally, viewers have the option to either rent or purchase "Catastrophe" on the following digital platforms: AppleTV.