You can catch Karl all over the airways, radio and television as well as some special events. View the calendar below to see when and where you can catch him next. Please note all times are the local station broadcast times. To check the time in your area, please go here.
Events in December 2025
MonMonday
TueTuesday
WedWednesday
ThuThursday
FriFriday
SatSaturday
SunSunday
1Monday 1st December 2025
2Tuesday 2nd December 2025
3Wednesday 3rd December 2025●●(3 events)
Dr Karl joins Sarah Cumming on ABC Gold Coast
– Wednesday 3rd December 2025
9:30 am - 10:00 am
Local time in Queensland
Dr Karl joins Susan Graham-Ryan on ABC Townsville
– Wednesday 3rd December 2025
10:30 am - 11:00 am
Local time in Queensland
Dr Karl joins Kelly Higgins-Devine on ABC Brisbane/Queensland
– Wednesday 3rd December 2025
7:00 pm - 7:30 pm
Local time in Queensland
4Thursday 4th December 2025●●●(7 events)
Dr Karl joins Rory McClaren on ABC Adelaide
– Thursday 4th December 2025
9:30 am - 10:00 am
Local time in Adelaide
Dr Karl joins Lucy Smith on ABC Triple J Science Mornings
– Thursday 4th December 2025
11:00 am - 12:00 pm
Local time in NSW
Dr Karl joins Joel Rheinberger on ABC Hobart
– Thursday 4th December 2025
2:00 pm - 2:30 pm
Local time in Tasmania
Dr Karl joins Alice Matthews on ABC Canberra
– Thursday 4th December 2025
2:30 pm - 3:00 pm
Local time in ACT
Dr Karl joins Jess Ong on ABC Darwin
– Thursday 4th December 2025
2:30 pm - 3:00 pm
Local time in NT
Dr Karl joins Prue Bentley on ABC Regional Victoria
– Thursday 4th December 2025
3:30 pm - 4:00 pm
Local time in Victoria
Dr Karl joins Ali Moore on ABC Melbourne
– Thursday 4th December 2025
4:30 pm - 5:00 pm
Local time in Victoria
5Friday 5th December 2025
6Saturday 6th December 2025
7Sunday 7th December 2025
8Monday 8th December 2025
9Tuesday 9th December 2025
10Wednesday 10th December 2025●●(2 events)
Dr Karl joins Sarah Cumming on ABC Gold Coast
– Wednesday 10th December 2025
9:30 am - 10:00 am
Local time in Queensland
Dr Karl joins Kelly Higgins-Devine on ABC Brisbane/Queensland
– Wednesday 10th December 2025
7:00 pm - 7:30 pm
Local time in Queensland
11Thursday 11th December 2025●●●(5 events)
Dr Karl joins Lucy Smith on ABC Triple J Science Mornings
– Thursday 11th December 2025
11:00 am - 12:00 pm
Local time in NSW
Dr Karl joins Joel Rheinberger on ABC Hobart
– Thursday 11th December 2025
2:00 pm - 2:30 pm
Local time in Tasmania
Dr Karl joins Alice Matthews on ABC Canberra
– Thursday 11th December 2025
2:30 pm - 3:00 pm
Local time in ACT
Dr Karl joins Jess Ong on ABC Darwin
– Thursday 11th December 2025
2:30 pm - 3:00 pm
Local time in NT
Dr Karl joins Prue Bentley on ABC Regional Victoria
– Thursday 11th December 2025
3:30 pm - 4:00 pm
Local time in Victoria
12Friday 12th December 2025
13Saturday 13th December 2025
14Sunday 14th December 2025
15Monday 15th December 2025
16Tuesday 16th December 2025
17Wednesday 17th December 2025●●(3 events)
Dr Karl joins Sarah Cumming on ABC Gold Coast
– Wednesday 17th December 2025
9:30 am - 10:00 am
Local time in Queensland
Dr Karl joins Susan Graham-Ryan on ABC Townsville
– Wednesday 17th December 2025
10:30 am - 11:00 am
Local time in Queensland
Dr Karl joins Kelly Higgins-Devine on ABC Brisbane/Queensland
– Wednesday 17th December 2025
7:00 pm - 7:30 pm
Local time in Queensland
18Thursday 18th December 2025●●●(6 events)
Dr Karl joins Rory McClaren on ABC Adelaide
– Thursday 18th December 2025
9:30 am - 10:00 am
Local time in Adelaide
Dr Karl joins Lucy Smith on ABC Triple J Science Mornings
– Thursday 18th December 2025
11:00 am - 12:00 pm
Local time in NSW
Dr Karl joins Joel Rheinberger on ABC Hobart
– Thursday 18th December 2025
2:00 pm - 2:30 pm
Local time in Tasmania
Dr Karl joins Alice Matthews on ABC Canberra
– Thursday 18th December 2025
2:30 pm - 3:00 pm
Local time in ACT
Dr Karl joins Jess Ong on ABC Darwin
– Thursday 18th December 2025
2:30 pm - 3:00 pm
Local time in NT
Dr Karl joins Prue Bentley on ABC Regional Victoria
– Thursday 18th December 2025
3:30 pm - 4:00 pm
Local time in Victoria
19Friday 19th December 2025
20Saturday 20th December 2025
21Sunday 21st December 2025
22Monday 22nd December 2025
23Tuesday 23rd December 2025
24Wednesday 24th December 2025●●(2 events)
Dr Karl joins Sarah Cumming on ABC Gold Coast
– Wednesday 24th December 2025
9:30 am - 10:00 am
Local time in Queensland
Dr Karl joins Kelly Higgins-Devine on ABC Brisbane/Queensland
– Wednesday 24th December 2025
7:00 pm - 7:30 pm
Local time in Queensland
25Thursday 25th December 2025●●●(5 events)
Dr Karl joins Lucy Smith on ABC Triple J Science Mornings
– Thursday 25th December 2025
11:00 am - 12:00 pm
Local time in NSW
Dr Karl joins Joel Rheinberger on ABC Hobart
– Thursday 25th December 2025
2:00 pm - 2:30 pm
Local time in Tasmania
Dr Karl joins Alice Matthews on ABC Canberra
– Thursday 25th December 2025
2:30 pm - 3:00 pm
Local time in ACT
Dr Karl joins Jess Ong on ABC Darwin
– Thursday 25th December 2025
2:30 pm - 3:00 pm
Local time in NT
Dr Karl joins Prue Bentley on ABC Regional Victoria
– Thursday 25th December 2025
3:30 pm - 4:00 pm
Local time in Victoria
26Friday 26th December 2025
27Saturday 27th December 2025
28Sunday 28th December 2025
29Monday 29th December 2025
30Tuesday 30th December 2025
31Wednesday 31st December 2025●●(3 events)
Dr Karl joins Sarah Cumming on ABC Gold Coast
– Wednesday 31st December 2025
9:30 am - 10:00 am
Local time in Queensland
Dr Karl joins Susan Graham-Ryan on ABC Townsville
– Wednesday 31st December 2025
10:30 am - 11:00 am
Local time in Queensland
Dr Karl joins Kelly Higgins-Devine on ABC Brisbane/Queensland
– Wednesday 31st December 2025
7:00 pm - 7:30 pm
Local time in Queensland
1Thursday 1st January 2026●●●(7 events)
Dr Karl joins Rory McClaren on ABC Adelaide
– Thursday 1st January 2026
9:30 am - 10:00 am
Local time in Adelaide
Dr Karl joins Lucy Smith on ABC Triple J Science Mornings
– Thursday 1st January 2026
11:00 am - 12:00 pm
Local time in NSW
Dr Karl joins Joel Rheinberger on ABC Hobart
– Thursday 1st January 2026
2:00 pm - 2:30 pm
Local time in Tasmania
Dr Karl joins Alice Matthews on ABC Canberra
– Thursday 1st January 2026
2:30 pm - 3:00 pm
Local time in ACT
Dr Karl joins Jess Ong on ABC Darwin
– Thursday 1st January 2026
2:30 pm - 3:00 pm
Local time in NT
Dr Karl joins Prue Bentley on ABC Regional Victoria
