He joined his former presenter Charlotte as they interviewed health secretary Jeremy Hunt as well as Love Island stars Kem Cetinay and Amber Davies.
Viewers were thrilled to see Eamonn return to breakfast television and took to Twitter to praise Piers' replacement, with many begging producers to make it permanent.
"How refreshing @EamonnHolmes @GMB @piersmorgan – much better presenter… #morganout," one fan tweeted.
ITV • TWITTER
Good Morning Britain viewers beg Eamonn Holmes to REPLACE Piers: 'Morgan out!'
Eamonn Holmes joined Charlotte Hawkins on the Good Morning Britain sofa today
Eamonn spoke to Jeremy Hunt as well as stars of Love Island
While another added: "Brilliant having Eamonn on this morning so pleased he's there, get rid of Piers and keep Eamonn a much nicer human being."
A third continued: "So nice to have the original A-team on #GMB this morning @CharlotteHawkns and @EamonnHolmes."
"Happy to switch on the telly and find @EamonnHolmes this morning on @gmb," someone else shared.
Good Morning Britain viewers begged for Eamonn to replace Piers permanently
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Mon, April 24, 2017
It is inevitable that there will be a blunders on live TV and GMB is not exception. Here are the biggest mistakes from the breakfast show.
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Susanna Reid was left red-faced after she introduced showbiz correspondent Michael Underwood as 'Michael Underwear'
Eamonn has replaced Piers as he enjoys his summer break
However, not everyone was impressed with the summer presenting line-up, with one viewer commenting: "Back to scripted banality again! Hurry back Piers and Susanna."
Another added: "Oh f**k nooooooo! Not f**king Eamonn Holmes on #GMB, BBC Breakfast it is then."
Good Morning Britain airs weekdays on ITV at 6am.